# CVE-2026-91986

## Summary

- **CVE ID:** CVE-2026-91986
- **Severity:** MEDIUM
- **CVSS Score:** 5.4 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N)
- **CWE:** CWE-74
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 15, 2026

## 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 Products

- GitoxideLabs — gitoxide (0)
- GitoxideLabs — gitoxide (0.59.2)

## References

- [CNA](https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-rc7h-wp5f-w3g5)
- [CNA](https://www.vulncheck.com/advisories/gitoxide-gix-transport-before-0.59.2-cr-lf-nul-injection)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.20%
- **EPSS Percentile:** 10.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._