CVE-2026-3029
CVE-2026-3029 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (28th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-13117
- Weakness: CWE-22
- Published:
- Last modified:
Description
A path traversal and arbitrary file write vulnerability exist in the embedded get function in '_main_.py' in PyMuPDF version, 1.26.5.
Frequently asked questions
- What is CVE-2026-3029?
- A path traversal and arbitrary file write vulnerability exist in the embedded get function in '_main_.py' in PyMuPDF version, 1.26.5.
- How severe is CVE-2026-3029?
- CVE-2026-3029 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-3029 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-3029?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-3029 have an EU (EUVD) identifier?
- Yes. CVE-2026-3029 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13117.
- When was CVE-2026-3029 published?
- CVE-2026-3029 was published on 2026-03-19 and last updated on 2026-07-15.
References
- http://github.com/pymupdf/PyMuPDF
- http://github.com/pymupdf/PyMuPDF/commit/603cafe38a183b8bab34f16d05043b4185d8d40a
- https://www.kb.cert.org/vuls/id/504749
- https://access.redhat.com/security/cve/CVE-2026-3029
- https://bugzilla.redhat.com/show_bug.cgi?id=2449054
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3029.json
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