{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-65905", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-07-23T12:14:17.351Z", "datePublished": "2026-08-25T21:51:33.307Z", "dateUpdated": "2026-08-26T15:21:11.604Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-08-25T21:51:33.307Z" }, "title": "Apache Tomcat: Limited replay attack possible with DIGEST authentication", "problemTypes": [ { "descriptions": [ { "description": "CWE-294 Authentication Bypass by Capture-replay", "lang": "en", "cweId": "CWE-294", "type": "CWE" } ] } ], "source": { "discovery": "EXTERNAL" }, "affected": [ { "vendor": "Apache Software Foundation", "product": "Apache Tomcat", "versions": [ { "status": "affected", "version": "11.0.0-M1", "lessThanOrEqual": "11.0.24", "versionType": "semver" }, { "status": "affected", "version": "10.1.0-M1", "lessThanOrEqual": "10.1.57", "versionType": "semver" }, { "status": "affected", "version": "9.0.0.M1", "lessThanOrEqual": "9.0.120", "versionType": "semver" }, { "status": "affected", "version": "8.5.0", "lessThanOrEqual": "8.5.100", "versionType": "semver" }, { "status": "affected", "version": "7.0.30", "lessThanOrEqual": "7.0.109", "versionType": "semver" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "value": "Authentication Bypass by Capture-replay vulnerability in Apache Tomcat's DIGEST authenticator. If, before windowSize requests have been made, a client makes a DIGEST \nauthenticated request with a nonceCount on the upper boundary of the \nreplay window then that request is replayable once only while the \nassociated nonceCount remains within the replay window.\n\n\n\n \n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.\n\n\n\nThe following versions were EOL at the time the CVE was created but are \nknown to be affected: from 8.5.0 through 8.5.100, from 7.0.30 through 7.0.109. Other unsupported versions may also be affected.\n\n\n\nUsers are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.", "lang": "en", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

Authentication Bypass by Capture-replay vulnerability in Apache Tomcat's DIGEST authenticator. If, before windowSize requests have been made, a client makes a DIGEST \nauthenticated request with a nonceCount on the upper boundary of the \nreplay window then that request is replayable once only while the \nassociated nonceCount remains within the replay window.

 \n
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.

The following versions were EOL at the time the CVE was created but are \nknown to be affected: from 8.5.0 through 8.5.100, from 7.0.30 through 7.0.109. Other unsupported versions may also be affected.

Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.

" } ] } ], "references": [ { "url": "https://lists.apache.org/thread/9v114xlpgbzrrbzz5vf9f6r2q4wnxwwj", "tags": [ "vendor-advisory" ] } ], "metrics": [ { "other": { "type": "Textual description of severity", "content": { "text": "low" } }, "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "credits": [ { "lang": "en", "value": "4ra1n, pyn3rd and unam4", "type": "finder" } ], "x_generator": { "engine": "Vulnogram 0.2.0" } }, "adp": [ { "title": "CVE Program Container", "references": [ { "url": "http://www.openwall.com/lists/oss-security/2026/08/26/4" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-08-26T02:30:37.048Z" } }, { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-26T15:20:56.087834Z", "id": "CVE-2026-65905", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-26T15:21:11.604Z" } } ] } }