CVE-2026-91986

gitoxide gix-transport before 0.59.2 CR/LF/NUL Injection

MEDIUM
5.4
CVSS Score
Published: September 15, 2026 at 03:18 PM UTC
Updated: September 23, 2026 at 05:30 PM UTC
1 product affected across 1 vendorGitoxide

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%
SSVC
PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 0.59.2
Vendor states this is fixed in 0.59.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-74

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