CVE-2026-25921: Gogs: Cross-repository LFS object overwrite via missing content hash verification

March 5, 2026

Overwritable LFS object across different repos leads to supply-chain attack, all LFS objects are vulnerable to be maliciously overwritten by malicious attackers.

References

github.com/advisories/GHSA-cj4v-437j-jq4c
github.com/gogs/gogs
github.com/gogs/gogs/commit/81ee8836445ac888d99da8b652be7d5cbc5c4d5c
github.com/gogs/gogs/pull/8166
github.com/gogs/gogs/releases/tag/v0.14.2
github.com/gogs/gogs/security/advisories/GHSA-cj4v-437j-jq4c
nvd.nist.gov/vuln/detail/CVE-2026-25921

Code Behaviors & Features

Detect and mitigate CVE-2026-25921 with GitLab Dependency Scanning

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