Vulnerability · Published Apr 20, 2026 · Assigned by VulDB

CVE-2026-6636p2r3 convert API buildCache.js Bun.serve path traversal

Medium 4.3

In plain English

A medium-severity path traversal in convert from p2r3. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.5%top 59.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
p2r3	convert	6998584ace3e11db66dff0b423612a5cf91de75b

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R

References

VDB-358270 | p2r3 convert API buildCache.js Bun.serve path traversal vdb-entry, technical-description
VDB-358270 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #793436 | p2r3 Convert 1.0.0 Path Traversal third-party-advisory
https://github.com/Dave-gilmore-aus/security-advisories/blob/main/convert-advisory exploit