{"cve":"CVE-2023-26130","nvd":{"published":"2023-05-30T05:15:10.640","modified":"2026-06-17T05:42:44.627","status":"Modified","description":"Versions of the package yhirose/cpp-httplib before 0.12.4 are vulnerable to CRLF Injection when untrusted user input is used to set the content-type header in the HTTP .Patch, .Post, .Put and .Delete requests. This can lead to logical errors and other misbehaviors.\r\r**Note:** This issue is present due to an incomplete fix for [CVE-2020-11709](https://security.snyk.io/vuln/SNYK-UNMANAGED-YHIROSECPPHTTPLIB-2366507).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-74","CWE-93","CWE-77"],"references":["https://gist.github.com/dellalibera/094aece17a86069a7d27f93c8aba2280","https://github.com/yhirose/cpp-httplib/commit/5b397d455d25a391ba346863830c1949627b4d08","https://github.com/yhirose/cpp-httplib/releases/tag/v0.12.4","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2RY6PKBU73I45L6YWNYCUK2XBEXEFX7L/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JY2E7EIRWQMKH6GY4OZOWWBZBY3Q7CGS/"],"products":["cpp-httplib_project:cpp-httplib"],"source":"nvd","synced_at":"2026-10-19T21:38:24.161619714+00:00"},"epss":{"cve":"CVE-2023-26130","score":0.01137,"percentile":0.66556,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}