Vulnerability · Published Sep 15, 2026 · Assigned by VulnCheck
CVE-2026-91986gitoxide gix-transport before 0.59.2 CR/LF/NUL Injection
Medium 5.4
In plain English
A medium-severity injection in gitoxide from GitoxideLabs. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 86.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | rust-gix-transport | no fix listed | DEBIAN-CVE-2026-91986 |
| Debian:14 | rust-gix-transport | no fix listed | DEBIAN-CVE-2026-91986 |
| Ubuntu:24.04:LTS | rust-gix-transport | no fix listed | UBUNTU-CVE-2026-91986 |
| Ubuntu:26.04:LTS | rust-gix-transport | no fix listed | UBUNTU-CVE-2026-91986 |
| Ubuntu:26.10 | rust-gix-transport | no fix listed | UBUNTU-CVE-2026-91986 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| GitoxideLabs | gitoxide | 0 – before 0.59.2 |
Weakness: CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
References
- GitHub Security Advisory (GHSA-rc7h-wp5f-w3g5) vendor-advisory
- VulnCheck Advisory: gitoxide gix-transport before 0.59.2 CR/LF/NUL Injection third-party-advisory