kokke tiny-regex-c Pattern re.c matchstar redos
CVE-2026-11478

4.8MEDIUM

Key Information:

Vendor

Kokke

Status
Tiny-regex-c
Vendor
CVE Published:
8 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-11478?

A flaw has been found in kokke tiny-regex-c up to f2632c6d9ed25272987471cdb8b70395c2460bdb. This vulnerability affects the function matchstar of the file re.c of the component Pattern Handler. This manipulation causes inefficient regular expression complexity. The attack is restricted to local execution. The exploit has been published and may be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The project was informed of the problem early through an issue report but has not responded yet.

Affected Version(s)

tiny-regex-c f2632c6d9ed25272987471cdb8b70395c2460bdb

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-11478 - Proof of Concept

References

https://vuldb.com/vuln/369098
vdb-entrytechnical-description
https://vuldb.com/vuln/369098/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-11478
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Fantasy (VulDB User)
VulDB CNA Team
.