CVE-2026-91986— gitoxide gix-transport before 0.59.2 CR/LF/NUL Injection
Quick assessment
Affected
GitoxideLabs gitoxide
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
gitoxide 的 gix-transport 在 0.59.2 版本之前，未能在 git-daemon 连接请求中过滤控制字符，使得攻击者可以通过构造的 Git URL 注入 NUL、CR 或 LF 字节。攻击者能够注入额外的以 NUL 分隔的协议字段，以伪造虚拟主机，或在 daemon 请求和日志中注入换行符。
Possible ATT&CK Techniques 1 AI
T1597 · Search Closed SourcesAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GitoxideLabs | gitoxide | < 0.59.2 |
affected |
0.59.2 |
unaffected |
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I. Basic Information for CVE-2026-91986
Vulnerability Information
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Vulnerability Title
gitoxide gix-transport before 0.59.2 CR/LF/NUL Injection
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| GitoxideLabs | gitoxide | 0 ~ 0.59.2 | - |
|
II. Public POCs for CVE-2026-91986
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-91986 (2)
-
-
🔗 gitoxide gix-transport before 0.59.2 CR/LF/NUL Injection | Advisories | VulnCheck third-party-advisory
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V. Comments for CVE-2026-91986
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