VDB
CVE-2026-113786
CVE-2026-113786
PUBLISHED
CVSS 4.300000190734863 MEDIUM
An attacker who uses this vulnerability can craft a PDF which leads to arbitrary image parsers being called. This requires loading an image which claims to use the `/DCTDecode` filter (JPEG data). Users which do not have the optional *Pillow* dependency installed in their environment are not affected.
EPSS 0.37% · 31.4th percentile
Risk Scores
CVSS 3.1
4.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
EPSS Score
0.37%
31.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| py-pdf | pypdf | 0 |
| PyPI | pypdf | 0 |
| wolfi | open-webui | 0 |
| chainguard | open-webui | 0 |
Timeline
- Oct 21, 2026 CVE Published
- Oct 22, 2026 EPSS Score
- Oct 22, 2026 Coalition ESS Score
- Oct 25, 2026 EPSS Score
- Oct 27, 2026 EPSS Score
- Oct 27, 2026 CVE Updated
- Oct 29, 2026 EPSS Score
- Oct 30, 2026 Security Advisory
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-113786 advisory
- https://github.com/advisories/GHSA-5hx5-vpf9-5wcv advisory
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-5hx5-vpf9-5wcv url
- https://github.com/py-pdf/pypdf/pull/4222 patch
- https://github.com/py-pdf/pypdf/commit/512d8eb94eb04be1d1c90504e6da2dcef8679e07 patch
- https://github.com/py-pdf/pypdf/releases/tag/6.21.1 url