File overwrite in file update API in Gogs

published 2025-12-10 10 mo ago modified 2026-10-14 25 d ago also GHSA-mq8m-42gh-wq7r , GO-2025-4225 , EUVD-2025-202425

cvss: 8.8; version 3.1, NVD
cisa kev: Exploited; added 2026-01-12
epss: 85.2%; EPSS 85.2% chance of exploitation in 30 days, percentile 99.7%
public exploits: 0; none known, plus a Nuclei check

Improper Symbolic link handling in the PutContents API in Gogs allows Local Execution of Code.

Patch / fix

cisa required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

distros 2 links 3

suse opensuse

govulncheck-vulndb openSUSE Leap 15.6 0.0.20251230T014957-150000.1.134.1

suse advisories SUSE-SU-2026:0037-1

govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1

opensuse advisories openSUSE-SU-2026:21483-1

Timeline

2025-12-10 Published
2026-01-12 Added to CISA KEV
2026-01-13 CISA SSVC: exploitation active
2026-02-02 CISA patch deadline

Known exploited

Added: 9 mo ago (2026-01-12)
Patch by: 2026-02-02 (9 mo ago)
Ransomware: Not known
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor, product: Gogs, Gogs
CISA name: Gogs Path Traversal Vulnerability

CISA SSVC

Exploitation: Active, exploited in the wild
Automatable: no
Technical impact: total
Assessed: 9 mo ago (2026-01-13)

Exploit prediction

85.20% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Nuclei template Gogs <= 0.13.3 - Remote Code Execution nuclei detection template
github.com https://github.com/gogs/gogs/pull/8078 referenced PoC, tagged "exploit" by a source, unverified
wiz.io http://wiz.io/blog/wiz-research-gogs-cve-2025-8110-rce-exploit referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.7	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/AU:Y/R:U/V:C
CNA	4.0	8.7	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:C/RE:X/U:X
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
go	gogs.io/gogs	<=0.13.3 all versions	no fix listed

Affected products

Gogs Gogs

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

github.com /gogs/gogs/pull/8078
issue-tracking, web, exploit, patch, vendor-advisory
github.com /gogs/gogs/commit/553707f3fd5f68f47f531cfcff56aa3ec294c6f6
patch, web
github.com /gogs/gogs/pull/8082
web
wiz.io /blog/wiz-research-gogs-cve-2025-8110-rce-exploit
web, exploit, third-party-advisory
cisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-8110
government-resource, web, third-party-advisory, us-government-resource
openwall.com /lists/oss-security/2025/12/11/3
web, mailing-list
openwall.com /lists/oss-security/2025/12/11/4
web, mailing-list
openwall.com /lists/oss-security/2026/01/17/4
web, mailing-list
openwall.com /lists/oss-security/2026/01/18/1
web, mailing-list
openwall.com /lists/oss-security/2026/01/18/2
web, mailing-list
nvd.nist.gov /vuln/detail/CVE-2025-8110
advisory
github.com /advisories/GHSA-mq8m-42gh-wq7r
advisory
github.com /gogs/gogs
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary