CVE-2026-89262

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-89262", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-11T10:52:56.668Z", "datePublished": "2026-09-11T15:25:17.192Z", "dateUpdated": "2026-09-24T14:21:38.190Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-24T14:21:38.190Z"}, "datePublic": "2026-09-11T00:00:00.000Z", "title": "MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check", "descriptions": [{"lang": "en", "value": "MoguBlog through 6.2 contains an authorization bypass vulnerability in the comment deletion endpoint that performs ownership checks against request-body fields instead of the authenticated principal. Attackers can delete arbitrary comments and their replies by supplying comment UIDs and author UIDs obtained from unauthenticated listing endpoints."}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-639", "description": "Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}], "affected": [{"defaultStatus": "unaffected", "vendor": "moxi624", "product": "MoguBlog", "packageURL": "pkg:github/moxi624/mogu_blog_v2", "repo": "https://github.com/moxi624/mogu_blog_v2", "versions": [{"version": "0", "lessThanOrEqual": "6.2", "status": "affected", "versionType": "custom"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:mogublog_project:mogublog:*:*:*:*:*:*:*:*", "versionEndIncluding": "6.2"}]}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}}, {"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C04_comment_delete_idor.py", "name": "C04 - POST /web/comment/delete proof of concept", "tags": ["exploit"]}, {"url": "https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/restapi/CommentRestApi.java", "name": "CommentRestApi.deleteBatch compares the stored author uid against a request-body field", "tags": ["technical-description"]}, {"url": "https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/config/WebSecurityConfig.java", "name": "mogu_web WebSecurityConfig permits /web/comment/** for all callers", "tags": ["technical-description"]}, {"url": "https://gitee.com/moxi159753/mogu_blog_v2/releases", "name": "MoguBlog releases", "tags": ["release-notes"]}, {"url": "https://github.com/moxi624/mogu_blog_v2", "name": "Product", "tags": ["product"]}, {"name": "VulnCheck Advisory: MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/mogublog-through-6.2-arbitrary-comment-deletion-via-request-body-ownership-check"}], "credits": [{"lang": "en", "value": "Mingsheng Lin", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "vulncheck-endgame"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-11T18:17:11.892135Z", "id": "CVE-2026-89262", "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": "2026-09-11T18:17:21.130Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-89262", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-11T18:17:11.892135Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-11T18:17:16.455Z"}}], "cna": {"title": "MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Mingsheng Lin"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"format": "CVSS", "cvssV4_0": {"version": "4.0", "baseScore": 8.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}], "affected": [{"repo": "https://github.com/moxi624/mogu_blog_v2", "vendor": "moxi624", "product": "MoguBlog", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "6.2"}], "packageURL": "pkg:github/moxi624/mogu_blog_v2", "defaultStatus": "unaffected"}], "datePublic": "2026-09-11T00:00:00.000Z", "references": [{"url": "https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C04_comment_delete_idor.py", "name": "C04 - POST /web/comment/delete proof of concept", "tags": ["exploit"]}, {"url": "https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/restapi/CommentRestApi.java", "name": "CommentRestApi.deleteBatch compares the stored author uid against a request-body field", "tags": ["technical-description"]}, {"url": "https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/config/WebSecurityConfig.java", "name": "mogu_web WebSecurityConfig permits /web/comment/** for all callers", "tags": ["technical-description"]}, {"url": "https://gitee.com/moxi159753/mogu_blog_v2/releases", "name": "MoguBlog releases", "tags": ["release-notes"]}, {"url": "https://github.com/moxi624/mogu_blog_v2", "name": "Product", "tags": ["product"]}, {"url": "https://www.vulncheck.com/advisories/mogublog-through-6.2-arbitrary-comment-deletion-via-request-body-ownership-check", "name": "VulnCheck Advisory: MoguBlog through 6.2 Arbitrary Comment Deletion via Request-Body Ownership Check", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "vulncheck-endgame"}, "descriptions": [{"lang": "en", "value": "MoguBlog through 6.2 contains an authorization bypass vulnerability in the comment deletion endpoint that performs ownership checks against request-body fields instead of the authenticated principal. Attackers can delete arbitrary comments and their replies by supplying comment UIDs and author UIDs obtained from unauthenticated listing endpoints."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-639", "description": "Authorization Bypass Through User-Controlled Key"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mogublog_project:mogublog:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndIncluding": "6.2"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-24T14:21:38.190Z"}}}, "cveMetadata": {"cveId": "CVE-2026-89262", "state": "PUBLISHED", "dateUpdated": "2026-09-24T14:21:38.190Z", "dateReserved": "2026-09-11T10:52:56.668Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-09-11T15:25:17.192Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:github/moxi624/mogu_blog_v2", "product": "MoguBlog", "repo": "https://github.com/moxi624/mogu_blog_v2", "vendor": "moxi624", "versions": [{"lessThanOrEqual": "6.2", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "MoguBlog through 6.2 contains an authorization bypass vulnerability in the comment deletion endpoint that performs ownership checks against request-body fields instead of the authenticated principal. Attackers can delete arbitrary comments and their replies by supplying comment UIDs and author UIDs obtained from unauthenticated listing endpoints."}], "id": "CVE-2026-89262", "lastModified": "2026-09-11T19:17:47.577", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-89262", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-11T18:17:11.892135Z", "version": "2.0.3"}}]}, "published": "2026-09-11T16:17:50.907", "references": [{"source": "disclosure@vulncheck.com", "url": "https://gitee.com/moxi159753/mogu_blog_v2/releases"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/LinYuanyi1/cve-request-poc/blob/master/mogublog-poc/C04_comment_delete_idor.py"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/moxi624/mogu_blog_v2"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/config/WebSecurityConfig.java"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/moxi624/mogu_blog_v2/blob/025d78c7ac7e19b1abf796fa3cc158d855723d15/mogu_web/src/main/java/com/moxi/mogublog/web/restapi/CommentRestApi.java"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/mogublog-through-6.2-arbitrary-comment-deletion-via-request-body-ownership-check"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,6.2]"}}], "original": {"product": "MoguBlog", "source": "cna", "vendor": "moxi624"}, "product": "mogublog", "vendor": "mogublog_project"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,6.2]"}}], "enrichment": {"confidence": 89.0, "confidence_source": "matching", "scores": [{"score": 89.0, "source": "matching"}]}, "original": {"product": "MoguBlog", "source": "cna", "vendor": "moxi624"}, "product": "mogu_blog_v2", "vendor": "moxi624"}], "created": "2026-09-11T16:45:14.666647+00:00", "updated": "2026-09-13T19:55:53.452597+00:00", "vendors": ["mogublog_project", "mogublog_project$PRODUCT$mogublog", "moxi624", "moxi624$PRODUCT$mogu_blog_v2"]}