{"id":"CVE-2026-72755","state":"PUBLISHED","title":"Routinator stores TA certificate in cache without validation","description":"Routinator stores a newly-retrieved TA certificate via HTTPS in cache without validation, potentially overwriting a known good TA certificate even if validation fails.","publishedAt":"2026-10-26T17:06:43.423Z","updatedAt":"2026-10-26T17:57:33.844Z","severity":{"score":3.8,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","source":"NLnet Labs"},"assigner":"NLnet Labs","products":["NLnet Labs Routinator"],"affected":[{"vendor":"NLnet Labs","product":"Routinator","defaultStatus":"affected","versions":[{"version":"0.15.3","status":"unaffected","lessThan":"*","versionType":"semver"}]}],"references":["https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-72755.txt"],"weaknesses":["CWE-755"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72755.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72755","state":"PUBLISHED","datePublished":"2026-10-26T17:06:43.423Z","dateUpdated":"2026-10-26T17:57:33.844Z","assignerShortName":"NLnet Labs","assignerOrgId":"206fc3a0-e175-490b-9eaa-a5738056c9f6","dateReserved":"2026-08-10T14:08:41.336Z"},"containers":{"cna":{"title":"Routinator stores TA certificate in cache without validation","descriptions":[{"lang":"en","value":"Routinator stores a newly-retrieved TA certificate via HTTPS in cache without validation, potentially overwriting a known good TA certificate even if validation fails."}],"affected":[{"vendor":"NLnet Labs","product":"Routinator","defaultStatus":"affected","versions":[{"version":"0.15.3","status":"unaffected","lessThan":"*","versionType":"semver"}]}],"references":[{"url":"https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-72755.txt","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseScore":3.8,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-755","lang":"en","description":"CWE-755 Improper Handling of Exceptional Conditions","type":"CWE"}]}],"providerMetadata":{"shortName":"NLnet Labs","orgId":"206fc3a0-e175-490b-9eaa-a5738056c9f6","dateUpdated":"2026-10-26T17:06:43.423Z"},"datePublic":"2026-10-26T00:00:00.000Z","solutions":[{"lang":"en","value":"This issue is fixed in 0.15.3 and all later versions."}],"timeline":[{"time":"2026-06-13T00:00:00.000Z","lang":"en","value":"Issue reported"},{"time":"2026-10-26T00:00:00.000Z","lang":"en","value":"Fixes released"}],"credits":[{"lang":"en","value":"Xin Wang and Jiajia Liu, Northwestern Polytechnical University","type":"finder"}],"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-72755","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-26T17:46:52.938139Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-26T17:57:33.844Z"}}]}}}