Critical severity · published Mar 5, 2026
CVE-2026-25921
Gogs: Cross-repository LFS object overwrite via missing content hash verification
9.3
CVSS
0.3%
EPSS
No
On KEV
Description
Gogs is an open source self-hosted Git service. Prior to version 0.14.2, overwritable LFS object across different repos leads to supply-chain attack, all LFS objects are vulnerable to be maliciously overwritten by malicious attackers. This issue has been patched in version 0.14.2.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GO
gogs · gogs
< 0.14.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-25921
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-25921
Patch
https://github.com/gogs/gogs/commit/81ee8836445ac888d99da8b652be7d5cbc5c4d5c
Issue Tracking
https://github.com/gogs/gogs/pull/8166
Release Notes
https://github.com/gogs/gogs/releases/tag/v0.14.2
Exploit
https://github.com/gogs/gogs/security/advisories/GHSA-cj4v-437j-jq4c
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