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 path traversal. It is possible to initiate the attack remotely. The exploit is now public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (42.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.001
Affected products
- P2r3 Convert — versions 6998584ace3e11db66dff0b423612a5cf91de75b
Weakness classification (CWE)
References
- vuldb.com/vuln/358270 (technical-description, vdb-entry)
- vuldb.com/vuln/358270/cti (signature, permissions-required)
- vuldb.com/submit/793436 (third-party-advisory)
- github.com/Dave-gilmore-aus/security-advisories/blob/main/convert-advisory (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.