{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-44502", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-06T18:28:20.886Z", "datePublished": "2026-05-26T16:13:32.350Z", "dateUpdated": "2026-05-26T16:13:32.350Z"}, "containers": {"cna": {"title": "Bugsink: SSRF bypass in `validate_webhook_url`", "problemTypes": [{"descriptions": [{"cweId": "CWE-918", "lang": "en", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/bugsink/bugsink/security/advisories/GHSA-fp53-qcf8-2xx2", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/bugsink/bugsink/security/advisories/GHSA-fp53-qcf8-2xx2"}, {"name": "https://github.com/bugsink/bugsink/commit/940d2df635e06803ef658666d734306942db5cc7", "tags": ["x_refsource_MISC"], "url": "https://github.com/bugsink/bugsink/commit/940d2df635e06803ef658666d734306942db5cc7"}, {"name": "https://github.com/bugsink/bugsink/releases/tag/2.1.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/bugsink/bugsink/releases/tag/2.1.3"}], "affected": [{"vendor": "bugsink", "product": "bugsink", "versions": [{"version": "< 2.1.3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-26T16:13:32.350Z"}, "descriptions": [{"lang": "en", "value": "Bugsink is a self-hosted error tracking tool. Prior to 2.1.3, Bugsink\u2019s webhook URL validation could be (partially) bypassed because of a mismatch in URL parsing. The original validation logic parsed webhook URLs with Python\u2019s urllib.parse.urlparse, then sent the request with requests.post. For malformed inputs involving backslashes and @, those components can disagree about where the authority ends and which hostname is the real target. A URL may therefore appear to target an allowlisted public hostname during validation, while the HTTP client actually connects to a different host. This vulnerability is fixed in 2.1.3."}], "source": {"advisory": "GHSA-fp53-qcf8-2xx2", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Bugsink is a self-hosted error tracking tool. Prior to 2.1.3, Bugsink\u2019s webhook URL validation could be (partially) bypassed because of a mismatch in URL parsing. The original validation logic parsed webhook URLs with Python\u2019s urllib.parse.urlparse, then sent the request with requests.post. For malformed inputs involving backslashes and @, those components can disagree about where the authority ends and which hostname is the real target. A URL may therefore appear to target an allowlisted public hostname during validation, while the HTTP client actually connects to a different host. This vulnerability is fixed in 2.1.3."}], "id": "CVE-2026-44502", "lastModified": "2026-05-26T19:37:00.120", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-05-26T17:16:46.387", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/bugsink/bugsink/commit/940d2df635e06803ef658666d734306942db5cc7"}, {"source": "security-advisories@github.com", "url": "https://github.com/bugsink/bugsink/releases/tag/2.1.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/bugsink/bugsink/security/advisories/GHSA-fp53-qcf8-2xx2"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.1.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "bugsink", "source": "cna", "vendor": "bugsink"}, "product": "bugsink", "vendor": "bugsink"}], "created": "2026-05-26T18:45:12.775208+00:00", "updated": "2026-05-26T18:45:12.775246+00:00", "vendors": ["bugsink", "bugsink$PRODUCT$bugsink"]}