CVE-2026-3029 | 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.

Published: 2026-03-19 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Awaiting Analysis，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2026-3029 is rated Moderate Risk (44.4/100): CVSS High severity, with low exploitation likelihood (EPSS 0.52%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-3029

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.02% 0.52% +0.50%
2 2026-04-21 0.06% 0.02% -0.04%
3 2026-03-25 — 0.06% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-3029

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2026-3029

GitHub Security Advisory for CVE-2026-3029

GHSA-cxqh-p2w9-fmr7 · Severity: medium · Ecosystem: pip — PyMuPDF has a path traversal in _main_.py

OS Trackers for CVE-2026-3029

vendor priority summary link
debian not yet assigned CVE-2026-3029 not yet assigned priority: Debian including 1 source packages (pymupdf), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 3, open 2. https://security-tracker.debian.org/tracker/CVE-2026-3029
redhat high — https://access.redhat.com/security/cve/CVE-2026-3029
ubuntu medium CVE-2026-3029 medium priority: Ubuntu including 1 source packages (pymupdf), 5 status rows across 5 suites (focal, jammy, noble, questing, upstream): needs-triage 4, released 1. https://ubuntu.com/security/CVE-2026-3029

Affected software / configurations for CVE-2026-3029

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2026-3029

cvelogic Threat Intelligence