CVE-2026-91986

5.3 mediumEPSS 0.2%

Medium (5.3). EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.3 medium

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

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 13% of CVEs (scores of 2026-10-31)
CWE: CWE-74
Published: 2026-09-15
Modified: 2026-09-23
Record from: the NVD, synced 2026-10-19

References

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

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