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Vulnerability details: VCID-wc2b-cb7d-ekbq
Vulnerability ID VCID-wc2b-cb7d-ekbq
Aliases CVE-2026-40701
Summary nginx: ngx_http_ssl_module: data corruption and denial of service
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
cvssv3 4.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-40701.json
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2026-40701
cvssv3.1 5.6 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 4.8 https://my.f5.com/manage/s/article/K000161021
cvssv4 6.3 https://my.f5.com/manage/s/article/K000161021
ssvc Track https://my.f5.com/manage/s/article/K000161021
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-40701.json
https://api.first.org/data/v1/epss?cve=CVE-2026-40701
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-40701
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
2477076 https://bugzilla.redhat.com/show_bug.cgi?id=2477076
CVE-2026-40701 https://nvd.nist.gov/vuln/detail/CVE-2026-40701
K000161021 https://my.f5.com/manage/s/article/K000161021
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-40701.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L Found at https://my.f5.com/manage/s/article/K000161021
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N Found at https://my.f5.com/manage/s/article/K000161021
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-13T15:55:34Z/ Found at https://my.f5.com/manage/s/article/K000161021
Exploit Prediction Scoring System (EPSS)
Percentile 0.13942
EPSS Score 0.00044
Published At May 29, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-29T08:39:24.644613+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-40701.json 38.6.0