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Vulnerability details: VCID-fmvd-vyt7-mkfk
Vulnerability ID VCID-fmvd-vyt7-mkfk
Aliases CVE-2026-27654
Summary Buffer overflow in ngx_http_dav_module
Status Published
Exploitability 0.5
Weighted Severity 7.4
Risk 3.7
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-122 Heap-based Buffer Overflow
System Score Found at
cvssv3 8.2 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-27654.json
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2026-27654
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2026-27654
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2026-27654
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2026-27654
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2026-27654
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2026-27654
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2026-27654
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2026-27654
cvssv3.1 8.2 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 8.2 https://my.f5.com/manage/s/article/K000160382
cvssv4 8.8 https://my.f5.com/manage/s/article/K000160382
ssvc Track https://my.f5.com/manage/s/article/K000160382
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-27654.json
https://api.first.org/data/v1/epss?cve=CVE-2026-27654
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-27654
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://my.f5.com/manage/s/article/K000160382
2450776 https://bugzilla.redhat.com/show_bug.cgi?id=2450776
CVE-2026-27654 https://nvd.nist.gov/vuln/detail/CVE-2026-27654
RHSA-2026:6906 https://access.redhat.com/errata/RHSA-2026:6906
RHSA-2026:6907 https://access.redhat.com/errata/RHSA-2026:6907
RHSA-2026:6923 https://access.redhat.com/errata/RHSA-2026:6923
RHSA-2026:7002 https://access.redhat.com/errata/RHSA-2026:7002
RHSA-2026:7343 https://access.redhat.com/errata/RHSA-2026:7343
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-27654.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:L/PR:N/UI:N/S:U/C:N/I:L/A:H 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:L/PR:N/UI:N/S:U/C:N/I:L/A:H Found at https://my.f5.com/manage/s/article/K000160382
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:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N Found at https://my.f5.com/manage/s/article/K000160382
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:Y/T:P/P:M/B:A/M:M/D:T/2026-03-24T15:14:50Z/ Found at https://my.f5.com/manage/s/article/K000160382
Exploit Prediction Scoring System (EPSS)
Percentile 0.0984
EPSS Score 0.00034
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:31:45.736333+00:00 Nginx Importer Import https://nginx.org/en/security_advisories.html 38.0.0