{"identifier":"CVE-2026-43514","cve":{"id":"CVE-2026-43514","description":"Observable Timing Discrepancy vulnerability when comparing AJP secret in Apache Tomcat.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.\nOlder unsupported versions may also be affected.\n\nUsers are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.","published":"2026-05-12T16:16:18.370000+00:00","modified":"2026-10-26T18:10:00.173000+00:00","status":"Analyzed","score":3.7,"severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","cvss_version":"3.1","affected":[{"criteria":"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0.0","versionStartExcluding":"","versionEndIncluding":"7.0.109","versionEndExcluding":""},{"criteria":"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","versionStartIncluding":"8.5.0","versionStartExcluding":"","versionEndIncluding":"8.5.100","versionEndExcluding":""},{"criteria":"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","versionStartIncluding":"9.0.0","versionStartExcluding":"","versionEndIncluding":"","versionEndExcluding":"9.0.118"},{"criteria":"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","versionStartIncluding":"10.1.0","versionStartExcluding":"","versionEndIncluding":"","versionEndExcluding":"10.1.55"},{"criteria":"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","versionStartIncluding":"11.0.0","versionStartExcluding":"","versionEndIncluding":"","versionEndExcluding":"11.0.22"}],"weaknesses":["CWE-208"],"references":[{"url":"https://lists.apache.org/thread/2k654v5cq123npfsd1b2kk1y30owqb1m","source":"security@apache.org","tags":["Mailing List","Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/05/12/10","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","baseScore":3.7,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-05-13T17:22:38.680265Z","id":"CVE-2026-43514","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0.0","versionEndIncluding":"7.0.109","matchCriteriaId":"5BE0EC99-5BCD-4F7F-8124-4A1734B7BF6B"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","versionStartIncluding":"8.5.0","versionEndIncluding":"8.5.100","matchCriteriaId":"FF43D0D7-FBF3-4D7A-84C4-47B65A75A524"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","versionStartIncluding":"9.0.0","versionEndExcluding":"9.0.118","matchCriteriaId":"1E5A897C-91F4-449E-984C-7D693B137EED"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","versionStartIncluding":"10.1.0","versionEndExcluding":"10.1.55","matchCriteriaId":"5F289287-8587-4BB3-B4AB-3B5CF4A7D27A"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*","versionStartIncluding":"11.0.0","versionEndExcluding":"11.0.22","matchCriteriaId":"03FB799D-A66F-4792-A0CF-16D67BB53F08"}]}]}],"source":"nvd","retrieved_at":"2026-10-28T10:24:44.123054+00:00","exploited":false,"kev_stale":false,"products":["apache / tomcat"],"priority":{"label":"Assess exposure and vendor guidance","reasons":["No higher-priority signal is available in the current stored evidence."]},"epss":{"probability":0.00352,"percentile":0.28764,"date":"2026-10-29","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"lists.apache.org","source_url":"https://lists.apache.org/thread/2k654v5cq123npfsd1b2kk1y30owqb1m","investigate_url":"https://investigate.aeglixmind.com/#lists.apache.org"},{"domain":"www.openwall.com","source_url":"http://www.openwall.com/lists/oss-security/2026/05/12/10","investigate_url":"https://investigate.aeglixmind.com/#www.openwall.com"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-43514","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-43514","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-43514","coverage":{"news_candidates_checked":0,"campaign_candidates_checked":0,"bounded":false,"notice":"Exact CVE mentions in stored public excerpts and reviewed campaign content only. 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