{"cve":"CVE-2026-44937","nvd":{"published":"2026-07-06T11:16:27.727","modified":"2026-10-25T15:10:00.147","status":"Analyzed","description":"Potential forgery of webhook requests when using a unauthenticated webhook in SUSE Rancher Fleet 0.15 before 0.15.2, 0.14 before 0.14.6, 0.13 before 0.13.11 and 0.12 before 0.12.5 could be used by remote attackers to cause a denial of service or a downgrade attack on other repositories on the system.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N","score":8.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","score":8.2},"cwes":["CWE-918"],"references":["https://github.com/rancher/fleet/security/advisories/GHSA-jmf4-m7j9-g72r"],"products":["suse:rancher_fleet"],"source":"nvd","synced_at":"2026-10-25T17:50:06.907763985+00:00"},"epss":{"cve":"CVE-2026-44937","score":0.00424,"percentile":0.36374,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-jmf4-m7j9-g72r","url":"https://osv.dev/vulnerability/GHSA-jmf4-m7j9-g72r","summary":"Rancher Fleet has Unauthenticated Webhook: Regex Injection via Unsanitized Repository URL Components","modified":"2026-07-07T16:11:11.630238944Z","packages":[{"ecosystem":"Go","name":"github.com/rancher/fleet","purl":"pkg:golang/github.com/rancher/fleet","ranges":[">=0.15.0 <0.15.2"],"fixed":["0.15.2"]},{"ecosystem":"Go","name":"github.com/rancher/fleet","purl":"pkg:golang/github.com/rancher/fleet","ranges":[">=0.14.0 <0.14.6"],"fixed":["0.14.6"]},{"ecosystem":"Go","name":"github.com/rancher/fleet","purl":"pkg:golang/github.com/rancher/fleet","ranges":[">=0.13.0 <0.13.11"],"fixed":["0.13.11"]},{"ecosystem":"Go","name":"github.com/rancher/fleet","purl":"pkg:golang/github.com/rancher/fleet","ranges":[">=0.12.0 <0.12.15"],"fixed":["0.12.15"]}]},{"id":"GO-2026-5874","url":"https://osv.dev/vulnerability/GO-2026-5874","summary":"Rancher Fleet has Unauthenticated Webhook: Regex Injection via Unsanitized Repository URL Components in github.com/rancher/fleet","modified":"2026-07-07T16:01:31.696445453Z","packages":[{"ecosystem":"Go","name":"github.com/rancher/fleet","purl":"pkg:golang/github.com/rancher/fleet","ranges":[">=0.12.0 <0.12.15",">=0.13.0 <0.13.11",">=0.14.0 <0.14.6",">=0.15.0 <0.15.2"],"fixed":["0.12.15","0.13.11","0.14.6","0.15.2"]}]}],"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."]}