{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-82556", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-08-29T19:03:24.577Z", "datePublished": "2026-08-30T17:45:08.226Z", "dateUpdated": "2026-08-30T17:45:08.226Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-08-30T17:45:08.226Z"}, "title": "Forgejo Repository Migration is_migrate_allowed.go net.LookupIP server-side request forgery", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-918", "lang": "en", "description": "Server-Side Request Forgery"}]}], "affected": [{"vendor": "n/a", "product": "Forgejo", "versions": [{"version": "15.0.0", "status": "affected"}, {"version": "15.0.1", "status": "affected"}, {"version": "15.0.2", "status": "affected"}, {"version": "15.0.3", "status": "affected"}, {"version": "15.0.4", "status": "affected"}], "cpes": ["cpe:2.3:a:forgejo:forgejo:*:*:*:*:*:*:*:*"], "modules": ["Repository Migration Handler"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Forgejo up to 15.0.4. This issue affects the function net.LookupIP of the file services/migrations/allowlist/is_migrate_allowed.go of the component Repository Migration Handler. Performing a manipulation results in server-side request forgery. The attack can be initiated remotely. The exploit has been made public and could be used. The patch is named b313bb83f5ff22bcc0378e0e0ca7bbd58303f168. It is recommended to apply a patch to fix this issue. The project maintainer explains: \"I don't intend to backport this to v15 or v16 as it is a breaking change.\""}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C"}}], "timeline": [{"time": "2026-08-29T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-08-29T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-08-29T21:09:15.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "spooky (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/397072", "name": "VDB-397072 | Forgejo Repository Migration is_migrate_allowed.go net.LookupIP server-side request forgery", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/397072/cti", "name": "VDB-397072 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-82556", "name": "CVE-2026-82556 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/891889", "name": "Submit #891889 | Forgejo 15.0.4 SSRF", "tags": ["third-party-advisory"]}, {"url": "https://codeberg.org/forgejo/forgejo/issues/13433", "tags": ["broken-link", "exploit", "issue-tracking"]}, {"url": "https://codeberg.org/forgejo/forgejo/pulls/13490", "tags": ["broken-link"]}, {"url": "https://codeberg.org/forgejo/forgejo/commit/b313bb83f5ff22bcc0378e0e0ca7bbd58303f168", "tags": ["patch"]}], "x_generator": ["VulDB PVTS v202608"]}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:forgejo:forgejo:*:*:*:*:*:*:*:*"], "modules": ["Repository Migration Handler"], "product": "Forgejo", "vendor": "n/a", "versions": [{"status": "affected", "version": "15.0.0"}, {"status": "affected", "version": "15.0.1"}, {"status": "affected", "version": "15.0.2"}, {"status": "affected", "version": "15.0.3"}, {"status": "affected", "version": "15.0.4"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Forgejo up to 15.0.4. This issue affects the function net.LookupIP of the file services/migrations/allowlist/is_migrate_allowed.go of the component Repository Migration Handler. Performing a manipulation results in server-side request forgery. The attack can be initiated remotely. The exploit has been made public and could be used. The patch is named b313bb83f5ff22bcc0378e0e0ca7bbd58303f168. It is recommended to apply a patch to fix this issue. The project maintainer explains: \"I don't intend to backport this to v15 or v16 as it is a breaking change.\""}], "id": "CVE-2026-82556", "lastModified": "2026-08-30T18:17:00.563", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.1, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "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": "LOW", "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:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-08-30T18:17:00.563", "references": [{"source": "cna@vuldb.com", "url": "https://codeberg.org/forgejo/forgejo/commit/b313bb83f5ff22bcc0378e0e0ca7bbd58303f168"}, {"source": "cna@vuldb.com", "url": "https://codeberg.org/forgejo/forgejo/issues/13433"}, {"source": "cna@vuldb.com", "url": "https://codeberg.org/forgejo/forgejo/pulls/13490"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-82556"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/891889"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/397072"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/397072/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "cna@vuldb.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "15.0.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "15.0.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "15.0.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "15.0.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "15.0.4"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Forgejo", "source": "cna", "vendor": "n/a"}, "product": "forgejo", "vendor": "forgejo"}], "created": "2026-08-30T20:30:03.477404+00:00", "updated": "2026-08-30T20:30:03.710491+00:00", "vendors": ["forgejo", "forgejo$PRODUCT$forgejo"]}