Medium severity · published Sep 15, 2026
CVE-2026-91986
gitoxide gix-transport before 0.59.2 CR/LF/NUL Injection
5.4
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GI
gitoxide · GitoxideLabs
before 0.59.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-91986
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-91986
github.com
https://github.com/GitoxideLabs/gitoxide/security/advisories/GHSA-rc7h-wp5f-w3g5
www.vulncheck.com
https://www.vulncheck.com/advisories/gitoxide-gix-transport-before-0.59.2-cr-lf-nul-injection
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