CVE-2026-30874

See a problem?
Please try reporting it to the source first.

Source

https://cve.org/CVERecord?id=CVE-2026-30874

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-30874.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-30874

Aliases

GHSA-jw28-hxcm-j934

Published

2026-03-19T22:36:04.507Z

Modified

2026-04-12T20:14:09.175845Z

Severity

1.8 (Low) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVSS Calculator

Summary

OpenWrt procd PATH Environment Variable Filter Bypass via Incorrect String Comparison Leads to Privilege Escalation

Details

OpenWrt Project is a Linux operating system targeting embedded devices. In versions prior to 24.10.6, a vulnerability in the hotplug_call function allows an attacker to bypass environment variable filtering and inject an arbitrary PATH variable, potentially leading to privilege escalation. The function is intended to filter out sensitive environment variables like PATH when executing hotplug scripts in /etc/hotplug.d, but a bug using strcmp instead of strncmp causes the filter to compare the full environment string (e.g., PATH=/some/value) against the literal "PATH", so the match always fails. As a result, the PATH variable is never excluded, enabling an attacker to control which binaries are executed by procd-invoked scripts running with elevated privileges. This issue has been fixed in version 24.10.6.

Database specific

{
    "cwe_ids": [
        "CWE-187",
        "CWE-269",
        "CWE-74"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/30xxx/CVE-2026-30874.json",
    "cna_assigner": "GitHub_M"
}

References

Affected packages

Git / github.com/openwrt/openwrt

Affected ranges

Type

GIT

Repo

https://github.com/openwrt/openwrt

Events

Introduced

Fixed

ec8eeaa8fbd3122b9b9e68b7db02707884a19c9c

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "24.10.6"
        }
    ]
}

Affected versions

Other

reboot

v24.*

v24.10.0

v24.10.0-rc1

v24.10.0-rc2

v24.10.0-rc3

v24.10.0-rc4

v24.10.0-rc5

v24.10.0-rc6

v24.10.0-rc7

v24.10.1

v24.10.2

v24.10.3

v24.10.4

v24.10.5

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-30874.json"

Git / github.com/openwrt/procd

Affected ranges

Type: GIT
Repo: https://github.com/openwrt/procd
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

e08cdc8562f55b9ac228a21f3f7605a18c522b81

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-30874.json"

vanir_signatures_modified

"2026-04-12T20:14:09Z"

vanir_signatures

[
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 2760.0,
            "function_hash": "319189113886299828512344801706561431128"
        },
        "source": "https://github.com/openwrt/procd/commit/e08cdc8562f55b9ac228a21f3f7605a18c522b81",
        "id": "CVE-2026-30874-7e53f686",
        "signature_type": "Function",
        "target": {
            "function": "hotplug_call",
            "file": "hotplug-dispatch.c"
        }
    },
    {
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "249331041476272418194147302126660477904",
                "122856848704705548293056057769416569062",
                "1374036774300617475868203354777821997",
                "290216757972811517672433524852206559399"
            ]
        },
        "source": "https://github.com/openwrt/procd/commit/e08cdc8562f55b9ac228a21f3f7605a18c522b81",
        "id": "CVE-2026-30874-81156395",
        "signature_type": "Line",
        "target": {
            "file": "hotplug-dispatch.c"
        }
    }
]