CVE-2026-23512

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Source

https://cve.org/CVERecord?id=CVE-2026-23512

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23512.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-23512

Aliases

GHSA-rqg5-gj63-x4mv

Published

2026-01-14T20:31:08.724Z

Modified

2026-02-04T21:33:44.332464Z

Severity

8.6 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H CVSS Calculator

Summary

SumatraPDF has an Untrusted Search Path in sumatrapdf/src/AppTools.cpp

Details

SumatraPDF is a multi-format reader for Windows. In 3.5.2 and earlier, there is a Untrusted Search Path vulnerability when Advanced Options setting is trigger. The application executes notepad.exe without specifying an absolute path when using the Advanced Options setting. On Windows, this allows execution of a malicious notepad.exe placed in the application's installation directory, leading to arbitrary code execution.

Database specific

{
    "cna_assigner": "GitHub_M",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23512.json",
    "cwe_ids": [
        "CWE-426"
    ]
}

References

Affected packages

Git / github.com/sumatrapdfreader/sumatrapdf

Affected ranges

Type: GIT
Repo: https://github.com/sumatrapdfreader/sumatrapdf
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

2762e02a8cd7cb779c934a44257aac56ab7de673

Affected versions

1.*

1.4split

1.5split

1.6split

1.7split

1.8split

1.9split

2.*

2.0split

2.1split

2.2split

2.3split

2.4split

2.5split

3.*

3.0split

3.1.2rel

3.2

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23512.json"

vanir_signatures

[
    {
        "id": "CVE-2026-23512-47d12c73",
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "118880975342551816882512087630849818015",
                "60412665186280559190982604082183658794",
                "264079631790783270930918253419173896806",
                "314139454683080063364741418808958773710",
                "29322729547620743003210804099758964416",
                "179452061664906707167152268343813139887",
                "235621871071294353212092634654478334226",
                "264272954219982348703238878777654148766"
            ]
        },
        "signature_version": "v1",
        "source": "https://github.com/sumatrapdfreader/sumatrapdf/commit/2762e02a8cd7cb779c934a44257aac56ab7de673",
        "target": {
            "file": "src/AppTools.cpp"
        },
        "deprecated": false
    }
]