{"id":"CVE-2026-10050","state":"PUBLISHED","title":"Digest authentication lossy encoding","description":"In Eclipse Jetty, the Digest authentication server-side component uses ISO-8859-1 to encode the password as bytes.\n\n\n\nThis was done because the initial specification for HTTP did not specify explicitly a charset, and it was assumed to be ISO-8859-1 for historical reasons.\n\n\n\nIf the password contains characters that cannot be represented in ISO-8859-1, they are silently replaced by `?`. This happens with passwords that contain Chinese, Cyrillic or Greek characters, for example: `αβ123` converts to `??123`.\n\n\n\nAn attacker can send a request with a digest `Authorization` header crafted with a password made of only `?` characters; the server would match any password of the same length that contains non-ISO-8859-1 characters.\n\n\n\nRecent HTTP Digest [RFC-7616](https://datatracker.ietf.org/doc/html/rfc7616) supports a `charset` parameters that defaults to UTF-8 that allows for correct encoding/decoding of passwords.","publishedAt":"2026-08-04T11:02:40.503Z","updatedAt":"2026-08-04T12:46:38.770Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","source":"eclipse"},"assigner":"eclipse","products":["Eclipse Foundation Eclipse Jetty - EE8","Eclipse Foundation Eclipse Jetty - EE9","Eclipse Foundation Eclipse Jetty"],"affected":[{"vendor":"Eclipse Foundation","product":"Eclipse Jetty - EE8","packageName":"org.eclipse.jetty.ee8:jetty-ee8-security","defaultStatus":"unaffected","versions":[{"version":"12.0.0","status":"affected","lessThanOrEqual":"12.0.35","versionType":"semver"},{"version":"12.1.0","status":"affected","lessThanOrEqual":"12.1.9","versionType":"semver"}]},{"vendor":"Eclipse Foundation","product":"Eclipse Jetty - EE9","packageName":"org.eclipse.jetty.ee9:jetty-ee9-security","defaultStatus":"unaffected","versions":[{"version":"12.0.0","status":"affected","lessThanOrEqual":"12.0.35","versionType":"semver"},{"version":"12.1.0","status":"affected","lessThanOrEqual":"12.1.9","versionType":"semver"}]},{"vendor":"Eclipse Foundation","product":"Eclipse Jetty","packageName":"org.eclipse.jetty:jetty-security","defaultStatus":"unaffected","versions":[{"version":"9.4.0","status":"affected","lessThanOrEqual":"9.4.62","versionType":"semver"},{"version":"10.0.0","status":"affected","lessThanOrEqual":"10.0.30","versionType":"semver"},{"version":"11.0.0","status":"affected","lessThanOrEqual":"11.0.30","versionType":"semver"},{"version":"12.0.0","status":"affected","lessThanOrEqual":"12.0.35","versionType":"semver"},{"version":"12.1.0","status":"affected","lessThanOrEqual":"12.1.9","versionType":"semver"}]}],"references":["https://github.com/jetty/jetty.project/security/advisories/GHSA-2fvj-hgj9-j2gr","https://gitlab.eclipse.org/security/cve-assignment/-/work_items/120"],"weaknesses":["CWE-173","CWE-303"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/10xxx/CVE-2026-10050.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-10050","state":"PUBLISHED","datePublished":"2026-08-04T11:02:40.503Z","dateUpdated":"2026-08-04T12:46:38.770Z","assignerShortName":"eclipse","assignerOrgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","dateReserved":"2026-05-29T07:26:26.368Z"},"containers":{"cna":{"title":"Digest authentication lossy encoding","descriptions":[{"lang":"en","value":"In Eclipse Jetty, the Digest authentication server-side component uses ISO-8859-1 to encode the password as bytes.\n\n\n\nThis was done because the initial specification for HTTP did not specify explicitly a charset, and it was assumed to be ISO-8859-1 for historical reasons.\n\n\n\nIf the password contains characters that cannot be represented in ISO-8859-1, they are silently replaced by `?`. This happens with passwords that contain Chinese, Cyrillic or Greek characters, for example: `αβ123` converts to `??123`.\n\n\n\nAn attacker can send a request with a digest `Authorization` header crafted with a password made of only `?` characters; the server would match any password of the same length that contains non-ISO-8859-1 characters.\n\n\n\nRecent HTTP Digest [RFC-7616](https://datatracker.ietf.org/doc/html/rfc7616) supports a `charset` parameters that defaults to UTF-8 that allows for correct encoding/decoding of passwords."}],"affected":[{"vendor":"Eclipse Foundation","product":"Eclipse Jetty - EE8","packageName":"org.eclipse.jetty.ee8:jetty-ee8-security","defaultStatus":"unaffected","versions":[{"version":"12.0.0","status":"affected","lessThanOrEqual":"12.0.35","versionType":"semver"},{"version":"12.1.0","status":"affected","lessThanOrEqual":"12.1.9","versionType":"semver"}]},{"vendor":"Eclipse Foundation","product":"Eclipse Jetty - EE9","packageName":"org.eclipse.jetty.ee9:jetty-ee9-security","defaultStatus":"unaffected","versions":[{"version":"12.0.0","status":"affected","lessThanOrEqual":"12.0.35","versionType":"semver"},{"version":"12.1.0","status":"affected","lessThanOrEqual":"12.1.9","versionType":"semver"}]},{"vendor":"Eclipse Foundation","product":"Eclipse Jetty","packageName":"org.eclipse.jetty:jetty-security","defaultStatus":"unaffected","versions":[{"version":"9.4.0","status":"affected","lessThanOrEqual":"9.4.62","versionType":"semver"},{"version":"10.0.0","status":"affected","lessThanOrEqual":"10.0.30","versionType":"semver"},{"version":"11.0.0","status":"affected","lessThanOrEqual":"11.0.30","versionType":"semver"},{"version":"12.0.0","status":"affected","lessThanOrEqual":"12.0.35","versionType":"semver"},{"version":"12.1.0","status":"affected","lessThanOrEqual":"12.1.9","versionType":"semver"}]}],"references":[{"url":"https://github.com/jetty/jetty.project/security/advisories/GHSA-2fvj-hgj9-j2gr"},{"url":"https://gitlab.eclipse.org/security/cve-assignment/-/work_items/120"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.7,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-173","lang":"en","description":"CWE-173","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-303","lang":"en","description":"CWE-303","type":"CWE"}]}],"providerMetadata":{"shortName":"eclipse","orgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","dateUpdated":"2026-08-04T11:02:40.503Z"},"credits":[{"lang":"en","value":"https://github.com/hrykx-zy","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/jetty/jetty.project/security/advisories/GHSA-2fvj-hgj9-j2gr","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-04T12:45:13.270660Z","id":"CVE-2026-10050","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-04T12:46:38.770Z"}}]}}}