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.

Scoring

Severity
MEDIUM
CVSS base score
5.4
CVSS vector
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
EPSS probability
0.20%
CWE
CWE-74
Published
2026-09-15
Last modified
2026-09-15

Affected products

Weakness type

Related vulnerabilities

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