Dev.To Critical RCE Vulnerability in Forgejo Fixed in Versions 16.0.4 and 15.0.8
Article Content
- •CVE-2026-89094 allows RCE via crafted template repositories in Forgejo.
- •Versions 16.0.4 and 15.0.8 released to patch the critical vulnerability.
- •The vulnerability has a CVSS score of 9.9, indicating high severity.
On September 10, 2026, a critical remote code execution vulnerability (CVE-2026-89094) was discovered in Forgejo, affecting versions prior to 16.0.4. The flaw allowed attackers to exploit the repository creation process by manipulating template repositories to execute arbitrary code on the server. This vulnerability received a CVSS score of 9.9, indicating its severity. The Forgejo team released versions 16.0.4 and 15.0.8 on September 26, 2026, to address this issue. The fix involved changing the order of operations during repository initialization to prevent the exploitation of the .git folder. Users are advised to upgrade immediately to mitigate risks. The vulnerability requires user authentication to exploit, limiting its immediate impact but still posing a significant threat to self-hosted instances.
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