VDB
CVE-2026-4867
CVE-2026-4867
PUBLISHED
CVSS 7.5 HIGH
path-to-regexp vulnerable to Regular Expression Denial of Service via multiple route parameters
EPSS 0.64% · 50.0th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.64%
50.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| npm | path-to-regexp | 0, 0, 0 |
| pillarjs | path-to-regexp | 0 |
| path-to-regexp | path-to-regexp | 0, 0, 0 |
Timeline
- Mar 26, 2026 PoC Published
- Mar 26, 2026 CVE Published
- Mar 26, 2026 PoC Published
- Mar 27, 2026 EPSS Score
- Mar 27, 2026 Coalition ESS Score
- Mar 28, 2026 Security Advisory
- Apr 16, 2026 CVE Updated
- Apr 17, 2026 PoC Published
- May 18, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 23, 2026 EPSS Score
References
- https://www.ibm.com/support/pages/node/7274185 advisory
- https://www.ibm.com/support/pages/node/7274154 advisory
- https://www.ibm.com/support/pages/node/7274180 advisory
- https://www.ibm.com/support/pages/node/7274183 advisory
- https://www.ibm.com/support/pages/node/7273957 advisory
- https://www.ibm.com/support/pages/node/7274184 advisory
- https://www.ibm.com/support/pages/node/7274314 advisory
- https://www.ibm.com/support/pages/node/7274182 advisory
- https://www.ibm.com/support/pages/node/7274181 advisory
- https://www.ibm.com/support/pages/node/7273803 advisory
- https://www.ibm.com/support/pages/node/7272901 advisory
- https://github.com/advisories/GHSA-9wv6-86v2-598j url
- https://nvd.nist.gov/vuln/detail/CVE-2026-4867 advisory
- https://github.com/pillarjs/path-to-regexp package
- https://blakeembrey.com/posts/2024-09-web-redos url
- https://cna.openjsf.org/security-advisories.html technical
- https://www.ibm.com/support/pages/node/7279972 advisory
- https://www.ibm.com/support/pages/node/7280010 advisory
- https://www.ibm.com/support/pages/node/7279458 advisory
- https://www.ibm.com/support/pages/node/7280089 advisory
…and 15 more