CVE-2026-113786
Severity not reportedData quality: awaiting analysis.
NVD has not completed analysis, so CVSS and affected-product data may be missing or change.
pypdf is a free and open-source pure-python PDF library.
pypdf is a free and open-source pure-python PDF library. Prior to 6.21.1, an attacker can craft a PDF containing image data labeled with the /DCTDecode filter that causes Pillow to select and invoke an unintended image parser when the image is loaded. Environments without the optional Pillow dependency are not affected. This issue is fixed in version 6.21.1.
CVSS
—
Awaiting analysis by NVD
Timeline (UTC)
Published: 2026-10-21 15:17
Modified: 2026-10-27 23:16
NVD status: Awaiting Analysis
Last synced 18 hours ago
Verified against the source API 2026-10-28 11:30 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/py-pdf/pypdf/commit/512d8eb94eb04be1d1c90504e6da2dcef8679e07 security-advisories@github.com
- https://github.com/py-pdf/pypdf/pull/4222 security-advisories@github.com
- https://github.com/py-pdf/pypdf/releases/tag/6.21.1 security-advisories@github.com
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-5hx5-vpf9-5wcv security-advisories@github.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-28 11:30 UTC · record ↗