CVE-2026-126352
- Source
- https://cve.org/CVERecord?id=CVE-2026-126352
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-126352.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-126352
- Aliases
- Downstream
- Published
- 2026-11-12T22:08:55Z
- Modified
- 2026-11-13T10:46:41Z
- Severity
-
- 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- Addressable: Regular Expression Denial of Service in Addressable templates with multiple variables
- Details
-
Addressable is an alternative implementation to the URI implementation that is part of Ruby's standard library. From 2.3.0 until 2.9.1, URI templates with several variables in one expression or several adjacent expressions generate ambiguous regular expressions. Affected forms include multi-variable expressions using operators other than plus and number sign, large plus or number-sign expressions, and adjacent single-variable expressions. Template#match or Template#extract can backtrack polynomially or exponentially on attacker-controlled URIs, causing denial of service on MRI Ruby before 3.2 and JRuby, with the large plus and number-sign form also affecting MRI Ruby 3.2 and TruffleRuby 40.0. URI parsing and Template#expand are unaffected. This issue is fixed in version 2.9.1.
- Database specific
{ "cna_assigner": "GitHub_M", "cwe_ids": [ "CWE-1333" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126352.json" }- References
-
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126352.json
- https://github.com/sporkmonger/addressable/commit/f2b27b3ab252e56b3fa3519f7ebb491d54cf7b7c
- https://github.com/sporkmonger/addressable/releases/tag/addressable-2.9.1
- https://github.com/sporkmonger/addressable/security/advisories/GHSA-9f42-57jx-vpp3
- https://nvd.nist.gov/vuln/detail/CVE-2026-126352
Affected packages
Git / github.com/sporkmonger/addressable
Affected ranges
- Type
- GIT
- Repo
- https://github.com/sporkmonger/addressable
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "2.3.0" }, { "fixed": "2.9.1" } ], "source": "AFFECTED_FIELD", "strategy": "StringRangeExpression" }, { "range": [ { "fixed": "f2b27b3ab252e56b3fa3519f7ebb491d54cf7b7c" } ], "source": "REFERENCES_COMMIT" }, { "original_tag": "addressable-2.9.1", "range": [ { "fixed": "afa66636d9fdcca11e03c85cf166651e0efa68ef" } ], "source": "REFERENCES_TAG" } ] }