CVE-2026-25921 PUBLISHED

Gogs: Cross-repository LFS object overwrite via missing content hash verification

Assigner: GitHub_M
Reserved: 09.02.2026 Published: 05.03.2026 Updated: 05.03.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:L
CVSS Score: 9.3

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	gogs
Product	gogs
Versions	Version < 0.14.2 is affected

References

https://github.com/gogs/gogs/security/advisories/GHSA-cj4v-437j-jq4c
https://github.com/gogs/gogs/pull/8166
https://github.com/gogs/gogs/commit/81ee8836445ac888d99da8b652be7d5cbc5c4d5c
https://github.com/gogs/gogs/releases/tag/v0.14.2

Problem Types

CWE-345: Insufficient Verification of Data Authenticity CWE