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TI-2026-20951 Aliases CVE-2026-25921GHSA-cj4v-437j-jq4c

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

Priority HIGH 79CWE-345Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-345.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00372 31st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed gogs (gogs): 0.14.2gogs.io/gogs (Go): 0.14.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Gogsgogsbefore 0.14.20.14.2Patch availableCNA
—gogs.io/gogs (Go)before 0.14.20.14.2Patch availableGHSA-cj4v-437j-jq4c
  • gogs VendorGogs Affected before 0.14.2 Fixed in 0.14.2 Patch available CNA
  • gogs.io/gogs (Go) Vendor— Affected before 0.14.2 Fixed in 0.14.2 Patch available GHSA-cj4v-437j-jq4c

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gogs:gogs:*:*:*:*:*:*:*:*before 0.14.2VulnerableGogs
  • cpe:2.3:a:gogs:gogs:*:*:*:*:*:*:*:* Versions before 0.14.2 Vulnerable ·Gogs

Remediation

  • Fix · CNA gogs (gogs) Fixed in 0.14.2
  • Fix · GHSA-cj4v-437j-jq4c gogs.io/gogs (Go) Fixed in 0.14.2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-25921
  2. 2026-10-03 Alias added: GHSA-cj4v-437j-jq4c

References

Exploit 1

Patch 1

Advisory 1

Other 3

  • TI-2025-07419 File overwrite in file update API in Gogs KEVCVSS 4.0HIGH 8.7
  • TI-2022-01876 OS Command Injection in gogs/gogs CVSS 3.1CRITICAL 9.8
  • TI-2024-36988 Gogs has a Path Traversal in file update API CVSS 4.0HIGH 8.7
  • TI-2022-01744 Remote Command Execution in gogs/gogs CVSS 3.1CRITICAL 10.0
  • TI-2025-39562 Gogs's update .git/config file allows remote command execution CVSS 4.0CRITICAL 9.3
  • TI-2024-36263 Gogs has a Path Traversal in file editing UI CVSS 4.0HIGH 8.7
See all 48 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences