CVE-2026-58426

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-58426", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "state": "PUBLISHED", "assignerShortName": "Gitea", "dateReserved": "2026-06-30T18:57:20.615Z", "datePublished": "2026-07-03T20:54:53.283Z", "dateUpdated": "2026-07-06T15:07:18.210Z"}, "containers": {"cna": {"title": "Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write", "descriptions": [{"lang": "en", "value": "Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write"}], "affected": [{"vendor": "Gitea", "product": "Gitea Open Source Git Server", "versions": [{"version": "1.22.0", "lessThanOrEqual": "1.26.1", "status": "affected", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"cweId": "CWE-347", "description": "CWE-347", "lang": "en", "type": "CWE"}]}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-hg5r-vq93-9fv6", "name": "GitHub Security Advisory", "tags": ["vendor-advisory"]}, {"url": "https://github.com/go-gitea/gitea/pull/37707", "name": "GitHub Pull Request #37707", "tags": ["patch"]}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.26.2", "name": "Gitea v1.26.2 Release", "tags": ["release-notes"]}, {"url": "https://blog.gitea.com/release-of-1.26.2/", "name": "Gitea v1.26.2 Release Blog Post", "tags": ["release-notes"]}], "providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-07-03T20:54:53.283Z"}, "credits": [{"lang": "en", "value": "kamil-sawicki", "type": "reporter"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "baseScore": 9.6, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}}], "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-hg5r-vq93-9fv6", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-06T15:07:14.581616Z", "id": "CVE-2026-58426", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"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": "2026-07-06T15:07:18.210Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-58426", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-07-06T15:07:14.581616Z"}}}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-hg5r-vq93-9fv6", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-06T15:07:06.884Z"}}], "cna": {"title": "Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write", "credits": [{"lang": "en", "type": "reporter", "value": "kamil-sawicki"}], "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.6, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "Gitea", "product": "Gitea Open Source Git Server", "versions": [{"status": "affected", "version": "1.22.0", "versionType": "semver", "lessThanOrEqual": "1.26.1"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-hg5r-vq93-9fv6", "name": "GitHub Security Advisory", "tags": ["vendor-advisory"]}, {"url": "https://github.com/go-gitea/gitea/pull/37707", "name": "GitHub Pull Request #37707", "tags": ["patch"]}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.26.2", "name": "Gitea v1.26.2 Release", "tags": ["release-notes"]}, {"url": "https://blog.gitea.com/release-of-1.26.2/", "name": "Gitea v1.26.2 Release Blog Post", "tags": ["release-notes"]}], "x_generator": {"engine": "cvelib 1.8.0"}, "descriptions": [{"lang": "en", "value": "Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-347", "description": "CWE-347"}]}], "providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-07-03T20:54:53.283Z"}}}, "cveMetadata": {"cveId": "CVE-2026-58426", "state": "PUBLISHED", "dateUpdated": "2026-07-06T15:07:18.210Z", "dateReserved": "2026-06-30T18:57:20.615Z", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "datePublished": "2026-07-03T20:54:53.283Z", "assignerShortName": "Gitea"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Gitea Open Source Git Server", "vendor": "Gitea", "versions": [{"lessThanOrEqual": "1.26.1", "status": "affected", "version": "1.22.0", "versionType": "semver"}]}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write"}, {"lang": "es", "value": "La ambig\u00fcedad de HMAC en la URL firmada de Gitea Actions Artifacts V4 permite la lectura de artefactos entre repositorios y la escritura del estado de carga entre tareas."}], "id": "CVE-2026-58426", "lastModified": "2026-10-25T15:10:00.147", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 5.8, "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-58426", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-06T15:07:14.581616Z", "version": "2.0.3"}}]}, "published": "2026-07-03T21:17:05.770", "references": [{"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://blog.gitea.com/release-of-1.26.2/"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/pull/37707"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/releases/tag/v1.26.2"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-hg5r-vq93-9fv6"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-hg5r-vq93-9fv6"}], "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.22.0,1.26.1]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Gitea Open Source Git Server", "source": "cna", "vendor": "Gitea"}, "product": "gitea_open_source_git_server", "vendor": "gitea"}], "created": "2026-07-04T08:30:04.114679+00:00", "updated": "2026-08-01T20:00:07.338357+00:00", "vendors": ["gitea", "gitea$PRODUCT$gitea_open_source_git_server"]}