{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-44596", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-06T21:49:12.426Z", "datePublished": "2026-07-16T16:04:11.794Z", "dateUpdated": "2026-07-17T14:05:15.049Z" }, "containers": { "cna": { "title": "Yamcs: No Rate Limiting on Authentication Endpoint", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-307", "lang": "en", "description": "CWE-307: Improper Restriction of Excessive Authentication Attempts", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1" } } ], "references": [ { "name": "https://github.com/yamcs/yamcs/security/advisories/GHSA-w5r6-mcgq-7pq4", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/yamcs/yamcs/security/advisories/GHSA-w5r6-mcgq-7pq4" }, { "name": "https://github.com/yamcs/yamcs/commit/309218c651680f79df11a8d0f8628f7033f98a83", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/yamcs/yamcs/commit/309218c651680f79df11a8d0f8628f7033f98a83" }, { "name": "https://github.com/yamcs/yamcs/commit/64392df531fbcbc65f19ee5724c4c23d289f49fc", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/yamcs/yamcs/commit/64392df531fbcbc65f19ee5724c4c23d289f49fc" }, { "name": "https://github.com/yamcs/yamcs/releases/tag/yamcs-5.12.7", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/yamcs/yamcs/releases/tag/yamcs-5.12.7" }, { "name": "https://github.com/yamcs/yamcs/releases/tag/yamcs-5.13.0", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/yamcs/yamcs/releases/tag/yamcs-5.13.0" } ], "affected": [ { "vendor": "yamcs", "product": "yamcs", "versions": [ { "version": "< 5.12.7", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-16T16:04:11.794Z" }, "descriptions": [ { "lang": "en", "value": "Yamcs is a mission control framework. Prior to 5.12.7, the authentication endpoint POST /auth/token in yamcs-core, handled by yamcs-core/src/main/java/org/yamcs/http/auth/AuthHandler.java, lacked any rate limiting, account lockout, or failed-attempt throttling, so an unauthenticated remote attacker could perform unlimited password-guessing attempts against any user account, significantly increasing the risk of successful brute-force attacks. This issue is fixed in versions 5.12.7 and 5.13.0." } ], "source": { "advisory": "GHSA-w5r6-mcgq-7pq4", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/yamcs/yamcs/security/advisories/GHSA-w5r6-mcgq-7pq4", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-07-17T14:05:04.998522Z", "id": "CVE-2026-44596", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-17T14:05:15.049Z" } } ] } }