Lookup for vulnerable packages by Package URL.

Purlpkg:npm/undici@6.23.0
Typenpm
Namespace
Nameundici
Version6.23.0
Qualifiers
Subpath
Is_vulnerabletrue
Next_non_vulnerable_version6.24.0
Latest_non_vulnerable_version7.24.0
Affected_by_vulnerabilities
0
url VCID-45gc-naw6-bbhw
vulnerability_id VCID-45gc-naw6-bbhw
summary undici: undici: Denial of Service via unbounded memory consumption during WebSocket permessage-deflate decompression
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-1526.json
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-1526.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2026-1526
reference_id
reference_type
scores
0
value 0.00021
scoring_system epss
scoring_elements 0.06019
published_at 2026-06-08T12:55:00Z
1
value 0.00021
scoring_system epss
scoring_elements 0.06082
published_at 2026-06-05T12:55:00Z
2
value 0.00021
scoring_system epss
scoring_elements 0.0607
published_at 2026-06-06T12:55:00Z
3
value 0.00021
scoring_system epss
scoring_elements 0.06067
published_at 2026-06-07T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2026-1526
2
reference_url https://cna.openjsf.org/security-advisories.html
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-13T18:04:06Z/
url https://cna.openjsf.org/security-advisories.html
3
reference_url https://datatracker.ietf.org/doc/html/rfc7692
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-13T18:04:06Z/
url https://datatracker.ietf.org/doc/html/rfc7692
4
reference_url https://github.com/nodejs/undici
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/nodejs/undici
5
reference_url https://github.com/nodejs/undici/security/advisories/GHSA-vrm6-8vpv-qv8q
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
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1
value HIGH
scoring_system cvssv3.1_qr
scoring_elements
2
value HIGH
scoring_system generic_textual
scoring_elements
3
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-13T18:04:06Z/
url https://github.com/nodejs/undici/security/advisories/GHSA-vrm6-8vpv-qv8q
6
reference_url https://hackerone.com/reports/3481206
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-13T18:04:06Z/
url https://hackerone.com/reports/3481206
7
reference_url https://nvd.nist.gov/vuln/detail/CVE-2026-1526
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2026-1526
8
reference_url https://owasp.org/www-community/attacks/Denial_of_Service
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
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1
value HIGH
scoring_system generic_textual
scoring_elements
url https://owasp.org/www-community/attacks/Denial_of_Service
9
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1130880
reference_id 1130880
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1130880
10
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=2447142
reference_id 2447142
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=2447142
11
reference_url https://github.com/advisories/GHSA-vrm6-8vpv-qv8q
reference_id GHSA-vrm6-8vpv-qv8q
reference_type
scores
0
value HIGH
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-vrm6-8vpv-qv8q
12
reference_url https://access.redhat.com/errata/RHSA-2026:13826
reference_id RHSA-2026:13826
reference_type
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url https://access.redhat.com/errata/RHSA-2026:13826
13
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reference_type
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14
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15
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reference_type
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16
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reference_type
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17
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reference_id RHSA-2026:7080
reference_type
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url https://access.redhat.com/errata/RHSA-2026:7080
18
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reference_type
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19
reference_url https://access.redhat.com/errata/RHSA-2026:7302
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reference_type
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20
reference_url https://access.redhat.com/errata/RHSA-2026:7310
reference_id RHSA-2026:7310
reference_type
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url https://access.redhat.com/errata/RHSA-2026:7310
21
reference_url https://access.redhat.com/errata/RHSA-2026:7350
reference_id RHSA-2026:7350
reference_type
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url https://access.redhat.com/errata/RHSA-2026:7350
22
reference_url https://access.redhat.com/errata/RHSA-2026:7670
reference_id RHSA-2026:7670
reference_type
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url https://access.redhat.com/errata/RHSA-2026:7670
23
reference_url https://access.redhat.com/errata/RHSA-2026:7675
reference_id RHSA-2026:7675
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:7675
24
reference_url https://access.redhat.com/errata/RHSA-2026:7983
reference_id RHSA-2026:7983
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:7983
25
reference_url https://access.redhat.com/errata/RHSA-2026:9742
reference_id RHSA-2026:9742
reference_type
scores
url https://access.redhat.com/errata/RHSA-2026:9742
fixed_packages
0
url pkg:npm/undici@6.24.0
purl pkg:npm/undici@6.24.0
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:npm/undici@6.24.0
1
url pkg:npm/undici@7.24.0
purl pkg:npm/undici@7.24.0
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:npm/undici@7.24.0
aliases CVE-2026-1526, GHSA-vrm6-8vpv-qv8q
risk_score 4.0
exploitability 0.5
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-45gc-naw6-bbhw
1
url VCID-djz1-s227-aqae
vulnerability_id VCID-djz1-s227-aqae
summary undici: undici: Denial of Service via crafted WebSocket frame with large length
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-1528.json
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-1528.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2026-1528
reference_id
reference_type
scores
0
value 0.0012
scoring_system epss
scoring_elements 0.30497
published_at 2026-06-08T12:55:00Z
1
value 0.0012
scoring_system epss
scoring_elements 0.30594
published_at 2026-06-05T12:55:00Z
2
value 0.0012
scoring_system epss
scoring_elements 0.30561
published_at 2026-06-06T12:55:00Z
3
value 0.0012
scoring_system epss
scoring_elements 0.3053
published_at 2026-06-07T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2026-1528
2
reference_url https://cna.openjsf.org/security-advisories.html
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-13T13:03:59Z/
url https://cna.openjsf.org/security-advisories.html
3
reference_url https://github.com/nodejs/undici
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/nodejs/undici
4
reference_url https://github.com/nodejs/undici/security/advisories/GHSA-f269-vfmq-vjvj
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system cvssv3.1_qr
scoring_elements
2
value HIGH
scoring_system generic_textual
scoring_elements
3
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-13T13:03:59Z/
url https://github.com/nodejs/undici/security/advisories/GHSA-f269-vfmq-vjvj
5
reference_url https://hackerone.com/reports/3537648
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-13T13:03:59Z/
url https://hackerone.com/reports/3537648
6
reference_url https://nvd.nist.gov/vuln/detail/CVE-2026-1528
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2026-1528
7
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1130883
reference_id 1130883
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1130883
8
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=2447145
reference_id 2447145
reference_type
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url https://bugzilla.redhat.com/show_bug.cgi?id=2447145
9
reference_url https://github.com/advisories/GHSA-f269-vfmq-vjvj
reference_id GHSA-f269-vfmq-vjvj
reference_type
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0
value HIGH
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-f269-vfmq-vjvj
10
reference_url https://access.redhat.com/errata/RHSA-2026:13826
reference_id RHSA-2026:13826
reference_type
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11
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12
reference_url https://access.redhat.com/errata/RHSA-2026:21772
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reference_type
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13
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reference_type
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url https://access.redhat.com/errata/RHSA-2026:21931
14
reference_url https://access.redhat.com/errata/RHSA-2026:5807
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15
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17
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21
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22
reference_url https://access.redhat.com/errata/RHSA-2026:7983
reference_id RHSA-2026:7983
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23
reference_url https://access.redhat.com/errata/RHSA-2026:9742
reference_id RHSA-2026:9742
reference_type
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fixed_packages
0
url pkg:npm/undici@6.24.0
purl pkg:npm/undici@6.24.0
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:npm/undici@6.24.0
1
url pkg:npm/undici@7.24.0
purl pkg:npm/undici@7.24.0
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:npm/undici@7.24.0
aliases CVE-2026-1528, GHSA-f269-vfmq-vjvj
risk_score 4.0
exploitability 0.5
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-djz1-s227-aqae
2
url VCID-gxjd-vjjz-6ydx
vulnerability_id VCID-gxjd-vjjz-6ydx
summary undici: Undici: Denial of Service via invalid WebSocket permessage-deflate extension parameter
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-2229.json
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-2229.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2026-2229
reference_id
reference_type
scores
0
value 0.00175
scoring_system epss
scoring_elements 0.38673
published_at 2026-06-08T12:55:00Z
1
value 0.00175
scoring_system epss
scoring_elements 0.38725
published_at 2026-06-05T12:55:00Z
2
value 0.00175
scoring_system epss
scoring_elements 0.38728
published_at 2026-06-06T12:55:00Z
3
value 0.00175
scoring_system epss
scoring_elements 0.38701
published_at 2026-06-07T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2026-2229
2
reference_url https://cna.openjsf.org/security-advisories.html
reference_id
reference_type
scores
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value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-13T13:06:30Z/
url https://cna.openjsf.org/security-advisories.html
3
reference_url https://datatracker.ietf.org/doc/html/rfc7692
reference_id
reference_type
scores
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value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-13T13:06:30Z/
url https://datatracker.ietf.org/doc/html/rfc7692
4
reference_url https://github.com/nodejs/undici
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/nodejs/undici
5
reference_url https://github.com/nodejs/undici/security/advisories/GHSA-v9p9-hfj2-hcw8
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system cvssv3.1_qr
scoring_elements
2
value HIGH
scoring_system generic_textual
scoring_elements
3
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-13T13:06:30Z/
url https://github.com/nodejs/undici/security/advisories/GHSA-v9p9-hfj2-hcw8
6
reference_url https://hackerone.com/reports/3487486
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-13T13:06:30Z/
url https://hackerone.com/reports/3487486
7
reference_url https://nodejs.org/api/zlib.html#class-zlibinflateraw
reference_id
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value HIGH
scoring_system generic_textual
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summary undici: Undici: HTTP header injection and request smuggling vulnerability
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1
url pkg:npm/undici@7.24.0
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is_vulnerable false
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risk_score 3.3
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url VCID-z9w9-u6qu-yyd2
vulnerability_id VCID-z9w9-u6qu-yyd2
summary
Undici has an unbounded decompression chain in HTTP responses on Node.js Fetch API via Content-Encoding leads to resource exhaustion
The `fetch()` API supports chained HTTP encoding algorithms for response content according to RFC 9110 (e.g., Content-Encoding: gzip, br). This is also supported by the undici decompress interceptor.

However, the number of links in the decompression chain is unbounded and the default maxHeaderSize allows a malicious server to insert thousands compression steps leading to high CPU usage and excessive memory allocation.
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4
reference_url https://github.com/nodejs/undici/commit/b04e3cbb569c1596f86c108e9b52c79d8475dcb3
reference_id
reference_type
scores
0
value 5.9
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value MODERATE
scoring_system generic_textual
scoring_elements
2
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T19:17:52Z/
url https://github.com/nodejs/undici/commit/b04e3cbb569c1596f86c108e9b52c79d8475dcb3
5
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1125679
reference_id 1125679
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1125679
6
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=2429741
reference_id 2429741
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=2429741
7
reference_url https://nvd.nist.gov/vuln/detail/CVE-2026-22036
reference_id CVE-2026-22036
reference_type
scores
0
value 5.9
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value MODERATE
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2026-22036
8
reference_url https://github.com/advisories/GHSA-g9mf-h72j-4rw9
reference_id GHSA-g9mf-h72j-4rw9
reference_type
scores
0
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-g9mf-h72j-4rw9
9
reference_url https://github.com/nodejs/undici/security/advisories/GHSA-g9mf-h72j-4rw9
reference_id GHSA-g9mf-h72j-4rw9
reference_type
scores
0
value 5.9
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value MODERATE
scoring_system cvssv3.1_qr
scoring_elements
2
value MODERATE
scoring_system generic_textual
scoring_elements
3
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-01-14T19:17:52Z/
url https://github.com/nodejs/undici/security/advisories/GHSA-g9mf-h72j-4rw9
fixed_packages
0
url pkg:npm/undici@6.23.0
purl pkg:npm/undici@6.23.0
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-45gc-naw6-bbhw
1
vulnerability VCID-djz1-s227-aqae
2
vulnerability VCID-gxjd-vjjz-6ydx
3
vulnerability VCID-kszv-djap-ebgj
4
vulnerability VCID-uqjt-abfk-9kf6
resource_url http://public2.vulnerablecode.io/packages/pkg:npm/undici@6.23.0
1
url pkg:npm/undici@7.18.2
purl pkg:npm/undici@7.18.2
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-45gc-naw6-bbhw
1
vulnerability VCID-djz1-s227-aqae
2
vulnerability VCID-gxjd-vjjz-6ydx
3
vulnerability VCID-kszv-djap-ebgj
4
vulnerability VCID-uqjt-abfk-9kf6
5
vulnerability VCID-yzqg-ucp5-rugh
resource_url http://public2.vulnerablecode.io/packages/pkg:npm/undici@7.18.2
aliases CVE-2026-22036, GHSA-g9mf-h72j-4rw9
risk_score 3.1
exploitability 0.5
weighted_severity 6.2
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-z9w9-u6qu-yyd2
Risk_score4.0
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:npm/undici@6.23.0