What is CVE-2026-24688?

### Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the outlines/bookmarks. ### Patches This has been fixed in [pypdf 6.6.2](https://github.com/py-pdf/pypdf/releases/tag/6.6.2). ### Workarounds If projects cannot upgrade yet, consider applying the changes from PR [#3610](https://github.com/py-pdf/pypdf/pull/3610).

What is the severity of CVE-2026-24688?

CVE-2026-24688 has a CVSS v3 score of 0, which is classified as Low severity.

Is there an exploit available for CVE-2026-24688?

No known public exploits are currently available for CVE-2026-24688.

Is there a patch available for CVE-2026-24688?

Yes, patches are available for CVE-2026-24688. Check the vendor advisories for update instructions.

CVE-2026-24688

Published: January 27, 2026

Last updated:7 hours ago (January 27, 2026)

Exploit: NoZero-day: NoPatch: YesTrend: Neutral

TL;DR

Updated January 27, 2026

CVE-2026-24688 is a low severity vulnerability with a CVSS score of 0.0. No known exploits currently, and patches are available.

Key Points

1Low severity (CVSS 0.0/10)
2No known public exploits
3Vendor patches are available

Severity Scores

CVSS v30.0

CVSS v20.0

Priority Score0.0

EPSS Score0.0

None

Exploitation LikelihoodMinimal

0.00%EPSS

Very low probability of exploitation

Monitor and patch as resources allow

0.00%

EPSS

0.0

CVSS

Exploit

Yes

Patch

Low Priority

no major risk factors

EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.

Description

Impact

An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the outlines/bookmarks.

Patches

This has been fixed in pypdf 6.6.2.

Workarounds

If projects cannot upgrade yet, consider applying the changes from PR #3610.

CVSS v3 Breakdown

Attack Vector:-

Attack Complexity:-

Privileges Required:-

User Interaction:-

Scope:-

Confidentiality:-

Integrity:-

Availability:-

Patch References

Github.com Github.com

Trend Analysis

Neutral

Advisories

GitHub Advisory

Cite This Page

APA Format

Strobes VI. (2026). CVE-2026-24688 - CVE Details and Analysis. Strobes VI. Retrieved January 27, 2026, from https://vi.strobes.co/cve/CVE-2026-24688

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