Vulnerability in Gitoxidelabs Gitoxide
CVE-2026-91986
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (13.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-rc7h-wp5f-w3g5 (vendor-advisory)
- www.vulncheck.com/advisories/gitoxide-gix-transport-before-0.59.2-cr-lf-nul-inj… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-91986?
- CVE-2026-91986 is a medium-severity vulnerability in Gitoxidelabs Gitoxide, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 5.4/10. Published 2026-09-15.
- How severe is CVE-2026-91986?
- Medium severity. CVSS v3 base score is 5.4 out of 10.