CVE-2026-27628

LOW EPSS 26.5%
Published Feb 25, 20264mo ago · Modified Jun 17, 20262w ago
1.2 CVSS 4.0
Low
Find Similar
Published Feb 25, 2026 4mo ago
Last Modified Jun 17, 2026 2w ago

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.2, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires reading the file. This has been fixed in pypdf 6.7.2. As a workaround, one may apply the patch manually.

CVSS Details

Base Score
1.2
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction A
Scope X

Threat Intelligence

EPSS Exploit Probability
26.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-835

Affected Products 1

VendorProductVersionRange
pypdf_projectpypdf* <6.7.2

References 3

  • github.com https://github.com/py-pdf/pypdf/commit/f0a462d36971cf077d74492a348d0d06fd60ea4d
  • github.com https://github.com/py-pdf/pypdf/issues/3654
    Issue TrackingPatch
  • github.com https://github.com/py-pdf/pypdf/security/advisories/GHSA-2rw7-x74f-jg35
    PatchVendor Advisory

Remediation

  • github.com https://github.com/py-pdf/pypdf/issues/3654
    Issue TrackingPatch
  • github.com https://github.com/py-pdf/pypdf/security/advisories/GHSA-2rw7-x74f-jg35
    PatchVendor Advisory