CVE-2026-82289 Gitingest Prefix-Based Git Host Check Enables Request Forgery and Token Disclosure
Attackers can exploit hostname validation flaws to trigger server-side requests and disclose GitHub personal access tokens via basic authentication.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-82289?
CVE-2026-82289 is a high-severity server-side request forgery vulnerability in coderamp-labs gitingest, published on 28 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Gitingest through 0.3.1 fails to properly validate hostnames in _validate_host, accepting any host with a git., gitlab., or github. prefix regardless of known-hosts list membership. Attackers can submit URLs with attacker-controlled hostnames to trigger outbound connections to arbitrary hosts and disclose GitHub personal access tokens via HTTP basic credentials.
Weakness: CWE-918
Which versions are affected by CVE-2026-82289?
How do I fix CVE-2026-82289?
No fix has been published for CVE-2026-82289 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-82289 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82289 exists.
Sources
Also known as GHSA-mvv9-5ggf-37rj.