{"cve":"CVE-2026-105861","nvd":{"published":"2026-10-06T17:17:22.277","modified":"2026-10-15T00:09:43.197","status":"Analyzed","description":"Payload is a free and open source headless content management system. In versions after 3.0.0 and before 3.90.0, authenticated external URL-based upload retrieval can forward authentication data to a redirected destination that was not verified as trusted, potentially exposing a valid session to an unintended recipient. This issue is fixed in version 3.90.0.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":7.2},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","score":8.2},"cwes":["CWE-200","CWE-346"],"references":["https://github.com/payloadcms/payload/commit/ba5cf6ae20d27a2c15106cb37466419031f86e6d","https://github.com/payloadcms/payload/releases/tag/v3.90.0","https://github.com/payloadcms/payload/security/advisories/GHSA-pj5h-5q6c-3pfx"],"products":["payloadcms:payload"],"source":"nvd","synced_at":"2026-10-19T22:58:01.639778232+00:00"},"epss":{"cve":"CVE-2026-105861","score":0.00133,"percentile":0.0284,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-pj5h-5q6c-3pfx","url":"https://osv.dev/vulnerability/GHSA-pj5h-5q6c-3pfx","summary":"Payload external upload trust validation issue","modified":"2026-10-07T20:45:05.788975222Z","packages":[{"ecosystem":"npm","name":"payload","purl":"pkg:npm/payload","ranges":[">=3.0.0 <3.90.0"],"fixed":["3.90.0"]},{"ecosystem":"npm","name":"payload","purl":"pkg:npm/payload","ranges":[">=4.0.0-canary.0 <4.0.0-canary.34"],"fixed":["4.0.0-canary.34"]}]}],"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."]}