CVE-2026-6636CWE-22

p2r3 convert API buildCache.js Bun.serve path traversal

Medium · published April 20, 2026

CVSS v4.0
5.3
EPSS
1%
Percentile
43.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00517 · 43.1th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-04-20T12:00Z
EPSS history
Timeline
  • 20 APR 12:00Z
    p2r3 convert API buildCache.js Bun.serve path traversal
    cvelistv5