What is CVE-2026-6636?

CVE-2026-6636 is a medium-severity vulnerability in P2r3 Convert, classified under Path Traversal. CVSS score: 4.3/10. Published 2026-04-20.

How severe is CVE-2026-6636?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Path Traversal in P2r3 Convert

CVE-2026-6636

A vulnerability was detected in p2r3 convert up to 6998584ace3e11db66dff0b423612a5cf91de75b. Affected is the function Bun.serve of the file buildCache.js of the component API. Performing a manipulation of the argument pathname results in p…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.000 (4.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

P2r3 Convert — versions 6998584ace3e11db66dff0b423612a5cf91de75b

Weakness classification (CWE)

CWE-22 — Path Traversal

References

VDB-358270 | p2r3 convert API buildCache.js Bun.serve path traversal (technical-description, vdb-entry)
VDB-358270 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
Submit #793436 | p2r3 Convert 1.0.0 Path Traversal (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-6636?: CVE-2026-6636 is a medium-severity vulnerability in P2r3 Convert, classified under Path Traversal. CVSS score: 4.3/10. Published 2026-04-20.
How severe is CVE-2026-6636?: Medium severity. CVSS v3 base score is 4.3 out of 10.