{"id":"CVE-2026-44796","state":"PUBLISHED","title":"Nautobot: Object bulk rename UI actions vulnerable to denial of service by crafted regular expression (REDoS)","description":"Nautobot is a Network Source of Truth and Network Automation Platform. Prior to 2.4.33 and 3.1.2, Nautobot UI object-bulk-rename endpoints (for example, /dcim/interfaces/rename/) were vulnerable to application-wide denial of service via maliciously crafted regular expressions in the find field in combination with the use_regex flag. This vulnerability is fixed in 2.4.33 and 3.1.2.","publishedAt":"2026-05-28T17:00:06.533Z","updatedAt":"2026-05-30T02:01:59.747Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["nautobot nautobot"],"affected":[{"vendor":"nautobot","product":"nautobot","versions":[{"version":">= 3.0.0a2, < 3.1.2","status":"affected"},{"version":"< 2.4.33","status":"affected"}]}],"references":["https://github.com/nautobot/nautobot/security/advisories/GHSA-qrpw-gjvh-x5gm","https://github.com/nautobot/nautobot/commit/5a30d0916953afbeedd24a784709e762cc3879cd","https://github.com/nautobot/nautobot/commit/c2b766966d814a7141f62c7bc90c85fefb7892ee","https://github.com/nautobot/nautobot/releases/tag/v2.4.33","https://github.com/nautobot/nautobot/releases/tag/v3.1.2"],"weaknesses":["CWE-400","CWE-1333"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/44xxx/CVE-2026-44796.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44796","state":"PUBLISHED","datePublished":"2026-05-28T17:00:06.533Z","dateUpdated":"2026-05-30T02:01:59.747Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-07T19:20:44.693Z"},"containers":{"cna":{"title":"Nautobot: Object bulk rename UI actions vulnerable to denial of service by crafted regular expression (REDoS)","descriptions":[{"lang":"en","value":"Nautobot is a Network Source of Truth and Network Automation Platform. Prior to 2.4.33 and 3.1.2, Nautobot UI object-bulk-rename endpoints (for example, /dcim/interfaces/rename/) were vulnerable to application-wide denial of service via maliciously crafted regular expressions in the find field in combination with the use_regex flag. This vulnerability is fixed in 2.4.33 and 3.1.2."}],"affected":[{"vendor":"nautobot","product":"nautobot","versions":[{"version":">= 3.0.0a2, < 3.1.2","status":"affected"},{"version":"< 2.4.33","status":"affected"}]}],"references":[{"url":"https://github.com/nautobot/nautobot/security/advisories/GHSA-qrpw-gjvh-x5gm","name":"https://github.com/nautobot/nautobot/security/advisories/GHSA-qrpw-gjvh-x5gm","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/nautobot/nautobot/commit/5a30d0916953afbeedd24a784709e762cc3879cd","name":"https://github.com/nautobot/nautobot/commit/5a30d0916953afbeedd24a784709e762cc3879cd","tags":["x_refsource_MISC"]},{"url":"https://github.com/nautobot/nautobot/commit/c2b766966d814a7141f62c7bc90c85fefb7892ee","name":"https://github.com/nautobot/nautobot/commit/c2b766966d814a7141f62c7bc90c85fefb7892ee","tags":["x_refsource_MISC"]},{"url":"https://github.com/nautobot/nautobot/releases/tag/v2.4.33","name":"https://github.com/nautobot/nautobot/releases/tag/v2.4.33","tags":["x_refsource_MISC"]},{"url":"https://github.com/nautobot/nautobot/releases/tag/v3.1.2","name":"https://github.com/nautobot/nautobot/releases/tag/v3.1.2","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400: Uncontrolled Resource Consumption","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-1333","lang":"en","description":"CWE-1333: Inefficient Regular Expression Complexity","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-28T17:00:06.533Z"},"source":{"advisory":"GHSA-qrpw-gjvh-x5gm","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-30T02:01:49.952039Z","id":"CVE-2026-44796","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-30T02:01:59.747Z"}}]}}}