CVE-2026-25921: Gogs is an open source self-hosted Git service

Q: How do I fix CVE-2026-25921?

gogs: upgrade to 0.14.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-25921 being exploited?

CVE-2026-25921 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-25921 affect?

CVE-2026-25921 affects gogs. Severity is critical (CVSS 9.3). 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

Q: How urgent is CVE-2026-25921?

Priority 50/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.3REMOTEUPGRADE

CVE-2026-25921 is a critical-severity flaw (CVSS 9.3) affecting gogs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.3 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-345
Published	2026-03-05
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: gogs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-05 19:16 UTCPublished CVE record published
2026-06-17 10:25 UTCUpdated Record last modified

gogs gogs UPGRADE

Affected: < 0.14.2

Fixed in: 0.14.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy gogs || rpm -q gogs || gogs --version

2. UPGRADE to 0.14.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade gogs

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gogs

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-25921?

gogs: upgrade to 0.14.2. Exact commands for each OS are on this page.

Is CVE-2026-25921 being exploited?

CVE-2026-25921 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-25921 affect?

CVE-2026-25921 affects gogs. Severity is critical (CVSS 9.3). 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

How urgent is CVE-2026-25921?

Priority 50/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Git vulnerabilities

Related CVEs

CVE-2025-8110 HIGH 8.8 EXPLOITED UPGRADE Gogs Path Traversal Vulnerability
CVE-2026-26276 HIGH 7.3 UPGRADE Gogs is an open source self-hosted Git service
CVE-2026-26196 MEDIUM 5.3 UPGRADE Gogs is an open source self-hosted Git service
CVE-2026-26195 MEDIUM 6.1 UPGRADE Gogs is an open source self-hosted Git service
CVE-2026-26194 HIGH 7.3 UPGRADE Gogs is an open source self-hosted Git service

References

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