HOMEVULNERABILITIESCVE-2026-6636
MEDIUM

CVE-2026-6636

CWE-22Published: April 20, 2026· Updated: Apr 22, 2026

4.3
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:2.5th

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.

NVD Source

Technical Analysis

CVE-2026-6636 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

All References (4)

→
https://github.com/Dave-gilmore-aus/security-advisories/blob/main/convert-advisory
→
https://vuldb.com/submit/793436
→
https://vuldb.com/vuln/358270
→
https://vuldb.com/vuln/358270/cti

Quick Facts

CVE IDCVE-2026-6636
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-22
CISA KEVNo
EPSS (30d)0.01%
PublishedApr 20, 2026

Related CVEs (CWE-22)

CVE-2026-41211
10.0
CVE-2026-2731
10.0
CVE-2026-48282
KEV10.0
CVE-2026-54917
10.0
CVE-2026-34909
KEV10.0
CVE-2026-11420
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-6636 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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