CVE-2026-91986 gitoxide gix-transport before 0.59.2 CR/LF/NUL Injection
Attackers can inject control characters into git-daemon requests via crafted URLs, potentially spoofing virtual hosts or corrupting logs.
- 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
- Available
What is CVE-2026-91986?
CVE-2026-91986 is a medium-severity vulnerability in GitoxideLabs gitoxide, published on 15 Sep 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
gitoxide gix-transport before 0.59.2 fails to filter control characters in git-daemon connect requests, allowing attackers to inject NUL/CR/LF bytes via crafted git URLs. Attackers can inject extra NUL-delimited protocol fields to spoof virtual hosts or inject newlines into daemon requests and logs.
Weakness: CWE-74
Which versions are affected by CVE-2026-91986?
Linux distribution packages (3)
gitoxide openSUSE:Leap 16.0 | All versions | 0.56.0-bp160.2.1 |
gitoxide openSUSE:Leap 16.0 | All versions | 0.60.0-bp160.1.1 |
gitoxide openSUSE:Tumbleweed | All versions | 0.58.0-2.1 |
How do I fix CVE-2026-91986?
Upgrade to a fixed version.
Is CVE-2026-91986 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-91986 exists.
Sources
Also known as AZL-103263, AZL-103266, DEBIAN-CVE-2026-91986, GHSA-7849-h6h3-vww8, GHSA-rc7h-wp5f-w3g5, UBUNTU-CVE-2026-91986 and 3 more.