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Lookup for vulnerable packages by Package URL.

Purlpkg:alpm/archlinux/mattermost@5.26.2-1
Typealpm
Namespacearchlinux
Namemattermost
Version5.26.2-1
Qualifiers
Subpath
Is_vulnerablefalse
Next_non_vulnerable_version5.39.0-1
Latest_non_vulnerable_version5.39.2-1
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
url VCID-4ndn-vpw4-17gz
vulnerability_id VCID-4ndn-vpw4-17gz
summary go: encoding/xml: XML directives instability
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-29510.json
reference_id
reference_type
scores
0
value 5.6
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-29510.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2020-29510
reference_id
reference_type
scores
0
value 0.00122
scoring_system epss
scoring_elements 0.31358
published_at 2026-04-01T12:55:00Z
1
value 0.00122
scoring_system epss
scoring_elements 0.31348
published_at 2026-04-21T12:55:00Z
2
value 0.00122
scoring_system epss
scoring_elements 0.31364
published_at 2026-04-13T12:55:00Z
3
value 0.00122
scoring_system epss
scoring_elements 0.31397
published_at 2026-04-16T12:55:00Z
4
value 0.00122
scoring_system epss
scoring_elements 0.31378
published_at 2026-04-18T12:55:00Z
5
value 0.00122
scoring_system epss
scoring_elements 0.31496
published_at 2026-04-02T12:55:00Z
6
value 0.00122
scoring_system epss
scoring_elements 0.31537
published_at 2026-04-04T12:55:00Z
7
value 0.00122
scoring_system epss
scoring_elements 0.31356
published_at 2026-04-07T12:55:00Z
8
value 0.00122
scoring_system epss
scoring_elements 0.31409
published_at 2026-04-08T12:55:00Z
9
value 0.00122
scoring_system epss
scoring_elements 0.31439
published_at 2026-04-09T12:55:00Z
10
value 0.00122
scoring_system epss
scoring_elements 0.31443
published_at 2026-04-11T12:55:00Z
11
value 0.00122
scoring_system epss
scoring_elements 0.314
published_at 2026-04-12T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2020-29510
2
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29510
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29510
3
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:H/A:N
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
4
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=1908547
reference_id 1908547
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=1908547
5
reference_url https://security.archlinux.org/AVG-1357
reference_id AVG-1357
reference_type
scores
0
value Medium
scoring_system archlinux
scoring_elements
url https://security.archlinux.org/AVG-1357
6
reference_url https://security.archlinux.org/AVG-1358
reference_id AVG-1358
reference_type
scores
0
value Medium
scoring_system archlinux
scoring_elements
url https://security.archlinux.org/AVG-1358
fixed_packages
0
url pkg:alpm/archlinux/mattermost@5.26.2-1
purl pkg:alpm/archlinux/mattermost@5.26.2-1
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/mattermost@5.26.2-1
aliases CVE-2020-29510
risk_score 3.1
exploitability 0.5
weighted_severity 6.2
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-4ndn-vpw4-17gz
1
url VCID-qway-uy4e-vucf
vulnerability_id VCID-qway-uy4e-vucf
summary go: encoding/xml: XML element instability
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-29511.json
reference_id
reference_type
scores
0
value 5.6
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-29511.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2020-29511
reference_id
reference_type
scores
0
value 0.00187
scoring_system epss
scoring_elements 0.40445
published_at 2026-04-01T12:55:00Z
1
value 0.00187
scoring_system epss
scoring_elements 0.40438
published_at 2026-04-21T12:55:00Z
2
value 0.00187
scoring_system epss
scoring_elements 0.40499
published_at 2026-04-13T12:55:00Z
3
value 0.00187
scoring_system epss
scoring_elements 0.40547
published_at 2026-04-16T12:55:00Z
4
value 0.00187
scoring_system epss
scoring_elements 0.40515
published_at 2026-04-18T12:55:00Z
5
value 0.00187
scoring_system epss
scoring_elements 0.40525
published_at 2026-04-02T12:55:00Z
6
value 0.00187
scoring_system epss
scoring_elements 0.40552
published_at 2026-04-04T12:55:00Z
7
value 0.00187
scoring_system epss
scoring_elements 0.40473
published_at 2026-04-07T12:55:00Z
8
value 0.00187
scoring_system epss
scoring_elements 0.40524
published_at 2026-04-08T12:55:00Z
9
value 0.00187
scoring_system epss
scoring_elements 0.40536
published_at 2026-04-09T12:55:00Z
10
value 0.00187
scoring_system epss
scoring_elements 0.40556
published_at 2026-04-11T12:55:00Z
11
value 0.00187
scoring_system epss
scoring_elements 0.40519
published_at 2026-04-12T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2020-29511
2
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29511
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29511
3
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:H/A:N
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
4
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=1908549
reference_id 1908549
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=1908549
5
reference_url https://security.archlinux.org/AVG-1357
reference_id AVG-1357
reference_type
scores
0
value Medium
scoring_system archlinux
scoring_elements
url https://security.archlinux.org/AVG-1357
6
reference_url https://security.archlinux.org/AVG-1358
reference_id AVG-1358
reference_type
scores
0
value Medium
scoring_system archlinux
scoring_elements
url https://security.archlinux.org/AVG-1358
fixed_packages
0
url pkg:alpm/archlinux/mattermost@5.26.2-1
purl pkg:alpm/archlinux/mattermost@5.26.2-1
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/mattermost@5.26.2-1
aliases CVE-2020-29511
risk_score 3.1
exploitability 0.5
weighted_severity 6.2
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-qway-uy4e-vucf
2
url VCID-w8xe-6aaj-aycr
vulnerability_id VCID-w8xe-6aaj-aycr
summary 
Authentication Bypass in github.com/russellhaering/gosaml2
### Impact
Given a valid SAML Response, it may be possible for an attacker to mutate the XML document in such a way that gosaml2 will trust a different portion of the document than was signed.

Depending on the implementation of the Service Provider this enables a variety of attacks, including users accessing accounts other than the one to which they authenticated in the Identity Provider, or full authentication bypass.

### Patches
Service Providers utilizing gosaml2 should upgrade to v0.6.0 or greater.
references
0
reference_url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-29509.json
reference_id
reference_type
scores
0
value 5.6
scoring_system cvssv3
scoring_elements CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
url https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-29509.json
1
reference_url https://api.first.org/data/v1/epss?cve=CVE-2020-29509
reference_id
reference_type
scores
0
value 0.00187
scoring_system epss
scoring_elements 0.40438
published_at 2026-04-21T12:55:00Z
1
value 0.00187
scoring_system epss
scoring_elements 0.40515
published_at 2026-04-18T12:55:00Z
2
value 0.00187
scoring_system epss
scoring_elements 0.40547
published_at 2026-04-16T12:55:00Z
3
value 0.00187
scoring_system epss
scoring_elements 0.40499
published_at 2026-04-13T12:55:00Z
4
value 0.00187
scoring_system epss
scoring_elements 0.40519
published_at 2026-04-12T12:55:00Z
5
value 0.00187
scoring_system epss
scoring_elements 0.40525
published_at 2026-04-02T12:55:00Z
6
value 0.00187
scoring_system epss
scoring_elements 0.40536
published_at 2026-04-09T12:55:00Z
7
value 0.00187
scoring_system epss
scoring_elements 0.40524
published_at 2026-04-08T12:55:00Z
8
value 0.00187
scoring_system epss
scoring_elements 0.40473
published_at 2026-04-07T12:55:00Z
9
value 0.00187
scoring_system epss
scoring_elements 0.40552
published_at 2026-04-04T12:55:00Z
10
value 0.00187
scoring_system epss
scoring_elements 0.40556
published_at 2026-04-11T12:55:00Z
11
value 0.00204
scoring_system epss
scoring_elements 0.42482
published_at 2026-04-01T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2020-29509
2
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29509
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29509
3
reference_url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:H/A:N
url https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
4
reference_url https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-attributes.md
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/mattermost/xml-roundtrip-validator/blob/master/advisories/unstable-attributes.md
5
reference_url https://github.com/russellhaering/gosaml2/commit/42606dafba60c58c458f14f75c4c230459672ab9
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/russellhaering/gosaml2/commit/42606dafba60c58c458f14f75c4c230459672ab9
6
reference_url https://github.com/russellhaering/gosaml2/security/advisories/GHSA-xhqq-x44f-9fgg
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/russellhaering/gosaml2/security/advisories/GHSA-xhqq-x44f-9fgg
7
reference_url https://nvd.nist.gov/vuln/detail/CVE-2020-29509
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2020-29509
8
reference_url https://pkg.go.dev/vuln/GO-2021-0060
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://pkg.go.dev/vuln/GO-2021-0060
9
reference_url https://security.netapp.com/advisory/ntap-20210129-0006
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://security.netapp.com/advisory/ntap-20210129-0006
10
reference_url https://bugzilla.redhat.com/show_bug.cgi?id=1908535
reference_id 1908535
reference_type
scores
url https://bugzilla.redhat.com/show_bug.cgi?id=1908535
11
reference_url https://security.archlinux.org/AVG-1357
reference_id AVG-1357
reference_type
scores
0
value Medium
scoring_system archlinux
scoring_elements
url https://security.archlinux.org/AVG-1357
12
reference_url https://security.archlinux.org/AVG-1358
reference_id AVG-1358
reference_type
scores
0
value Medium
scoring_system archlinux
scoring_elements
url https://security.archlinux.org/AVG-1358
fixed_packages
0
url pkg:alpm/archlinux/mattermost@5.26.2-1
purl pkg:alpm/archlinux/mattermost@5.26.2-1
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/mattermost@5.26.2-1
aliases CVE-2020-29509, GHSA-xhqq-x44f-9fgg
risk_score 4.5
exploitability 0.5
weighted_severity 9.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-w8xe-6aaj-aycr
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:alpm/archlinux/mattermost@5.26.2-1