{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-39459","assignerOrgId":"9dacffd4-cb11-413f-8451-fbbfd4ddc0ab","state":"PUBLISHED","assignerShortName":"f5","dateReserved":"2026-04-30T23:04:10.899Z","datePublished":"2026-05-13T14:12:37.565Z","dateUpdated":"2026-05-14T03:56:25.338Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unknown","modules":["All Modules"],"product":"BIG-IP","vendor":"F5","versions":[{"lessThan":"*","status":"unaffected","version":"21.1.0","versionType":"custom"},{"lessThan":"21.0.0.2","status":"affected","version":"21.0.0","versionType":"custom"},{"lessThan":"17.5.1.6","status":"affected","version":"17.5.0","versionType":"custom"},{"lessThan":"17.1.3.2","status":"affected","version":"17.1.0","versionType":"custom"},{"lessThan":"*","status":"affected","version":"16.1.0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"reporter","value":"F5 acknowledges Adam Logue for bringing this issue to our attention and following the highest standards of coordinated disclosure."}],"datePublic":"2026-05-13T14:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<span style=\"background-color: rgb(255, 255, 255);\">A vulnerability exists in iControl REST and the TMOS Shell (</span><strong>tmsh</strong><span style=\"background-color: rgb(255, 255, 255);\">) where a highly privileged, authenticated attacker with at least the Manager role can create configuration objects that allow running arbitrary commands.</span>\n\n&nbsp;Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."}],"value":"A vulnerability exists in iControl REST and the TMOS Shell (tmsh) where a highly privileged, authenticated attacker with at least the Manager role can create configuration objects that allow running arbitrary commands.\n\n Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.2,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]},{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.6,"baseSeverity":"HIGH","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-272","description":"CWE-272 Least Privilege Violation","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"9dacffd4-cb11-413f-8451-fbbfd4ddc0ab","shortName":"f5","dateUpdated":"2026-05-13T14:12:37.565Z"},"references":[{"tags":["vendor-advisory","patch"],"url":"https://my.f5.com/manage/s/article/K000160863"}],"source":{"discovery":"EXTERNAL"},"title":"iControl REST and tmsh vulnerability","x_generator":{"engine":"F5 SIRTBot v1.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-13T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-39459"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-14T03:56:25.338Z"}}]}}