CVE-2026-24688
Last modified
CVE-2026-24688 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. pypdf is a free and open-source pure-python PDF library. An attacker who uses an infinite loop vulnerability that is present in versions prior to 6.6.2 can craft a PDF which leads to an infinite loop. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
Description
pypdf is a free and open-source pure-python PDF library. An attacker who uses an infinite loop vulnerability that is present in versions prior to 6.6.2 can craft a PDF which leads to an infinite loop. This requires accessing the outlines/bookmarks. This has been fixed in pypdf 6.6.2. If projects cannot upgrade yet, consider applying the changes from PR #3610 manually.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Pypdf Project | Pypdf | < 6.6.2 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-24688?
How severe is CVE-2026-24688?
How do I fix CVE-2026-24688?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-24682FreeRDP is a free implementation of the Remote Desktop Proto…7.5
- CVE-2026-24683FreeRDP is a free implementation of the Remote Desktop Proto…7.5
- CVE-2026-24684FreeRDP is a free implementation of the Remote Desktop Proto…7.5
- CVE-2026-24685OpenProject is an open-source, web-based project management …8.8
- CVE-2026-24686go-tuf is a Go implementation of The Update Framework (TUF).…4.7
- CVE-2026-24687Umbraco Forms is a form builder that integrates with the Umb…6.5
- CVE-2026-24689An OS command injection vulnerability exists in XWEB Pro v…8.8
- CVE-2026-2469Versions of the package directorytree/imapengine before 1.22…7.6
- CVE-2026-24690Gitea versions before 1.25.5 have insufficient permission ch…7.5
- CVE-2026-24692Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.1…4.3
- CVE-2026-24693Protection mechanism failure for some Intel(R) oneCCL Bindin…5.4
- CVE-2026-24694The installer for Roland Cloud Manager ver.3.1.19 and prior …8.4
Are you affected by CVE-2026-24688?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST