{"id":"CVE-2026-44937","sourceIdentifier":"meissner@suse.de","published":"2026-07-06T11:16:27.727","lastModified":"2026-10-25T15:10:00.147","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"La posible falsificación de solicitudes de webhook al usar un webhook no autenticado en SUSE Rancher Fleet 0.15 anterior a 0.15.2, 0.14 anterior a 0.14.6, 0.13 anterior a 0.13.11 y 0.12 anterior a 0.12.5 podría ser utilizada por atacantes remotos para causar una denegación de servicio o un ataque de degradación en otros repositorios del sistema."}],"affected":[{"source":"meissner@suse.de","affectedData":[{"vendor":"SUSE","product":"Rancher","defaultStatus":"unaffected","packageName":"Fleet","repo":"https://github.com/rancher/fleet/","versions":[{"version":"0.15.0","lessThan":"0.15.2","versionType":"semver","status":"affected"},{"version":"0.14.0","lessThan":"0.14.6","versionType":"semver","status":"affected"},{"version":"0.13.0","lessThan":"0.13.11","versionType":"semver","status":"affected"},{"version":"0.12.0","lessThan":"0.12.15","versionType":"semver","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"meissner@suse.de","type":"Secondary","cvssData":{"version":"4.0","vectorString":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":8.3,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","baseScore":8.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":4.2}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-06T12:46:52.400471Z","id":"CVE-2026-44937","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"meissner@suse.de","type":"Secondary","description":[{"lang":"en","value":"CWE-918"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:suse:rancher_fleet:*:*:*:*:*:*:*:*","versionStartIncluding":"0.12.0","versionEndExcluding":"0.12.15","matchCriteriaId":"8DE7373C-74E0-4B59-AF44-ECB9AC0130B9"},{"vulnerable":true,"criteria":"cpe:2.3:a:suse:rancher_fleet:*:*:*:*:*:*:*:*","versionStartIncluding":"0.13.0","versionEndExcluding":"0.13.11","matchCriteriaId":"D76AA40B-6291-46DC-BE27-BF4B8F6A8B23"},{"vulnerable":true,"criteria":"cpe:2.3:a:suse:rancher_fleet:*:*:*:*:*:*:*:*","versionStartIncluding":"0.14.0","versionEndExcluding":"0.14.6","matchCriteriaId":"F267A8DC-9A24-4A98-B765-CEEC0EBC2576"},{"vulnerable":true,"criteria":"cpe:2.3:a:suse:rancher_fleet:*:*:*:*:*:*:*:*","versionStartIncluding":"0.15.0","versionEndExcluding":"0.15.2","matchCriteriaId":"BE1A7C49-CBBF-45BA-91F1-D2DA940BE908"}]}]}],"references":[{"url":"https://github.com/rancher/fleet/security/advisories/GHSA-jmf4-m7j9-g72r","source":"meissner@suse.de","tags":["Mitigation","Vendor Advisory"]}]}