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2 vulnerabilities by alexcorvi
CVE-2026-103043 (GCVE-0-2026-103043)
Vulnerability from nvd – Published: 2026-09-29 22:51 – Updated: 2026-09-30 19:15
VLAI
EPSS
VEX
Title
anchorme through 3.0.8 Regular Expression Denial of Service
Summary
anchorme through 3.0.8 contains a regular expression denial of service vulnerability in the IPv6 host extraction regex due to catastrophic backtracking. Attackers can supply specially crafted input strings with repeated patterns to cause exponential regex engine backtracking, blocking the Node.js event loop and denying service to other requests.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 19:13 UTC
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://gist.github.com/mmadersbacher/46050b4224e… | third-party-advisory |
| https://github.com/alexcorvi/anchorme.js/blob/f3a… | technical-description |
| https://www.npmjs.com/package/anchorme | product |
| https://github.com/alexcorvi/anchorme.js | product |
| https://www.vulncheck.com/advisories/anchorme-thr… | third-party-advisory |
Impacted products
Date Public
2026-09-29 00:00
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CVE-2026-103043 (GCVE-0-2026-103043)
Vulnerability from cvelistv5 – Published: 2026-09-29 22:51 – Updated: 2026-09-30 19:15
VLAI
EPSS
VEX
Title
anchorme through 3.0.8 Regular Expression Denial of Service
Summary
anchorme through 3.0.8 contains a regular expression denial of service vulnerability in the IPv6 host extraction regex due to catastrophic backtracking. Attackers can supply specially crafted input strings with repeated patterns to cause exponential regex engine backtracking, blocking the Node.js event loop and denying service to other requests.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 19:13 UTC
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://gist.github.com/mmadersbacher/46050b4224e… | third-party-advisory |
| https://github.com/alexcorvi/anchorme.js/blob/f3a… | technical-description |
| https://www.npmjs.com/package/anchorme | product |
| https://github.com/alexcorvi/anchorme.js | product |
| https://www.vulncheck.com/advisories/anchorme-thr… | third-party-advisory |
Impacted products
Date Public
2026-09-29 00:00
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