CVE-2026-54531

MEDIUM

CVSS v4.0: 6.9 · EPSS: 0.0013 (2.6 percentile)

No privilegesNo user interactionVendor advisory ref

Source data as of:

At a glance

Severity
MEDIUM
CVSS
6.9 v4.0 · NVD
EPSS
0.0013 (2.6 percentile) · FIRST.org
CISA KEV
No
Attack conditions (CVSS vector)
No privilegesNo user interaction · Source: NVD Vector
Published
2026-06-22 · Modified: 2026-06-23
References
Jump to references (3)

CVSS / EPSS / KEV

CVSS v4.0 6.9 / 10 MEDIUM Source: NVD
EPSS 0.0013 2.6 percentile Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.13.0, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires merging a file with outlines into a writer. This vulnerability is fixed in 6.13.0.

Record details

CVE ID
CVE-2026-54531
CVSS (v4.0)
6.9 (MEDIUM)
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/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
EPSS
0.0013 (2.6 percentile) — 2026-06-24
CISA KEV
No
Weakness (CWE)
CWE-835
Affected configurations (CPE)
0
Published
2026-06-22
Modified
2026-06-23
Status
Undergoing Analysis

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.

Related records

Other records sharing a factual facet, for cross-reference. A descriptive neighbourhood — ordering does not imply priority and is not a recommendation.

Same weakness type (CWE)

CVE-2026-54530 MEDIUM CVSS 6.9 CVE-2026-54651 MEDIUM CVSS 6.9 CVE-2026-42781 MEDIUM CVSS 6.5

Published the same year

CVE-2026-10561 CRITICAL CVSS 10.0 CVE-2026-27604 CRITICAL CVSS 10.0 CVE-2026-34908 CRITICAL CVSS 10.0 KEV CVE-2026-34909 CRITICAL CVSS 10.0 KEV
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