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PatchSiren cyber security CVE debrief

CVE-2026-11478 kokke CVE debrief

A vulnerability has been identified in kokke tiny-regex-c, up to version f2632c6d9ed25272987471cdb8b70395c2460bdb, within the Pattern Handler component. Specifically, the matchstar function in the re.c file is affected, leading to inefficient regular expression complexity. This issue is exploitable locally and has been publicly disclosed. The product follows a rolling release strategy, making it challenging to specify affected or updated versions. The project was notified early but has not yet responded.

Vendor
kokke
Product
tiny-regex-c
CVSS
LOW 1.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-08
Original CVE updated
2026-07-23
Advisory published
2026-06-08
Advisory updated
2026-07-23

Who should care

Users of kokke tiny-regex-c, especially those integrating it into local applications, should be aware of this vulnerability. Due to the rolling release strategy of the product, users should monitor updates closely.

Technical summary

The vulnerability (CVE-2026-11478) affects the matchstar function in re.c of kokke tiny-regex-c, leading to inefficient regular expression complexity. It has a CVSS score of 1.9, indicating a low severity.

Defensive priority

Low

Recommended defensive actions

  • Monitor the project's updates and patches for kokke tiny-regex-c.
  • Consider implementing additional security measures for local execution environments where this library is used.

Evidence notes

Evidence from Vuldb and NVD suggests a low severity vulnerability with local attack vector.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11478 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11478

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-11478 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11478

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.