Detections
Analytics

Linux Distros Unpatched Vulnerability : CVE-2026-91986

medium Nessus Plugin ID 345970

Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - 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.
 (CVE-2026-91986)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2026-91986

https://security-tracker.debian.org/tracker/CVE-2026-91986

Plugin Details

Severity: Medium

ID: 345970

File Name: unpatched_CVE_2026_91986.nasl

Version: 1.2

Type: Local

Agent: unix

Family: Misc.

Published: 9/15/2026

Updated: 9/15/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 8.02

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2026-91986

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 5.3

Threat Score: 1.3

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:13.0, cpe:/o:debian:debian_linux:14.0, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:centos:centos:cargo-doc, p-cpe:/a:centos:centos:cargo, p-cpe:/a:centos:centos:clippy, p-cpe:/a:centos:centos:igvm, p-cpe:/a:centos:centos:rls, p-cpe:/a:centos:centos:rust-analysis, p-cpe:/a:centos:centos:rust-analyzer, p-cpe:/a:centos:centos:rust-debugger-common, p-cpe:/a:centos:centos:rust-doc, p-cpe:/a:centos:centos:rust-gdb, p-cpe:/a:centos:centos:rust-lldb, p-cpe:/a:centos:centos:rust-src, p-cpe:/a:centos:centos:rust-std-static-aarch64-unknown-none-softfloat, p-cpe:/a:centos:centos:rust-std-static-wasm32-unknown-unknown, p-cpe:/a:centos:centos:rust-std-static-wasm32-wasi, p-cpe:/a:centos:centos:rust-std-static-wasm32-wasip1, p-cpe:/a:centos:centos:rust-std-static-x86_64-unknown-none, p-cpe:/a:centos:centos:rust-std-static, p-cpe:/a:centos:centos:rust-toolset-srpm-macros, p-cpe:/a:centos:centos:rust-toolset, p-cpe:/a:centos:centos:rust, p-cpe:/a:centos:centos:rustfmt, p-cpe:/a:debian:debian_linux:rust-gix-transport, p-cpe:/a:redhat:enterprise_linux:cargo-doc, p-cpe:/a:redhat:enterprise_linux:cargo, p-cpe:/a:redhat:enterprise_linux:clippy, p-cpe:/a:redhat:enterprise_linux:igvm, p-cpe:/a:redhat:enterprise_linux:rls, p-cpe:/a:redhat:enterprise_linux:rust-analysis, p-cpe:/a:redhat:enterprise_linux:rust-analyzer, p-cpe:/a:redhat:enterprise_linux:rust-debugger-common, p-cpe:/a:redhat:enterprise_linux:rust-doc, p-cpe:/a:redhat:enterprise_linux:rust-gdb, p-cpe:/a:redhat:enterprise_linux:rust-lldb, p-cpe:/a:redhat:enterprise_linux:rust-src, p-cpe:/a:redhat:enterprise_linux:rust-std-static-aarch64-unknown-none-softfloat, p-cpe:/a:redhat:enterprise_linux:rust-std-static-wasm32-unknown-unknown, p-cpe:/a:redhat:enterprise_linux:rust-std-static-wasm32-wasi, p-cpe:/a:redhat:enterprise_linux:rust-std-static-wasm32-wasip1, p-cpe:/a:redhat:enterprise_linux:rust-std-static-x86_64-unknown-none, p-cpe:/a:redhat:enterprise_linux:rust-std-static, p-cpe:/a:redhat:enterprise_linux:rust-toolset-srpm-macros, p-cpe:/a:redhat:enterprise_linux:rust-toolset, p-cpe:/a:redhat:enterprise_linux:rust, p-cpe:/a:redhat:enterprise_linux:rustfmt

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 9/15/2026

Reference Information

CVE: CVE-2026-91986