{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-35187", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-01T17:26:21.134Z", "datePublished": "2026-04-06T19:33:06.557Z", "dateUpdated": "2026-04-06T19:33:06.557Z"}, "containers": {"cna": {"title": "pyLoad has SSRF in parse_urls API endpoint via unvalidated URL parameter", "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": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/pyload/pyload/security/advisories/GHSA-2wvg-62qm-gj33", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/pyload/pyload/security/advisories/GHSA-2wvg-62qm-gj33"}, {"name": "https://github.com/pyload/pyload/commit/4032e57d61d8f864e39f4dcfdb567527a50a9e1f", "tags": ["x_refsource_MISC"], "url": "https://github.com/pyload/pyload/commit/4032e57d61d8f864e39f4dcfdb567527a50a9e1f"}], "affected": [{"vendor": "pyload", "product": "pyload", "versions": [{"version": "<= 0.5.0b3.dev96", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-04-06T19:33:06.557Z"}, "descriptions": [{"lang": "en", "value": "pyLoad is a free and open-source download manager written in Python. In 0.5.0b3.dev96 and earlier, the parse_urls API function in src/pyload/core/api/__init__.py fetches arbitrary URLs server-side via get_url(url) (pycurl) without any URL validation, protocol restriction, or IP blacklist. An authenticated user with ADD permission can make HTTP/HTTPS requests to internal network resources and cloud metadata endpoints, read local files via file:// protocol (pycurl reads the file server-side), interact with internal services via gopher:// and dict:// protocols, and enumerate file existence via error-based oracle (error 37 vs empty response)."}], "source": {"advisory": "GHSA-2wvg-62qm-gj33", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "pyLoad is a free and open-source download manager written in Python. In 0.5.0b3.dev96 and earlier, the parse_urls API function in src/pyload/core/api/__init__.py fetches arbitrary URLs server-side via get_url(url) (pycurl) without any URL validation, protocol restriction, or IP blacklist. An authenticated user with ADD permission can make HTTP/HTTPS requests to internal network resources and cloud metadata endpoints, read local files via file:// protocol (pycurl reads the file server-side), interact with internal services via gopher:// and dict:// protocols, and enumerate file existence via error-based oracle (error 37 vs empty response)."}], "id": "CVE-2026-35187", "lastModified": "2026-04-06T20:16:27.207", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-04-06T20:16:27.207", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/pyload/pyload/commit/4032e57d61d8f864e39f4dcfdb567527a50a9e1f"}, {"source": "security-advisories@github.com", "url": "https://github.com/pyload/pyload/security/advisories/GHSA-2wvg-62qm-gj33"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,0.5.0b3.dev96]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "pyload", "source": "cna", "vendor": "pyload"}, "product": "pyload", "vendor": "pyload"}], "analysis": {"en": {"generated_at": "2026-04-07T01:37:13.942045+00:00", "value": {"mitigation_remediation": ["Upgrade pyLoad to a version newer than 0.5.0b3.dev96 that validates URLs and restricts protocols."], "summary": {"action": "Immediate Patch", "impact": "Server Side Request Forgery exposing internal resources"}, "threat_synthesis": {"affected_systems": "The affected product is pyLoad (pyload:pyload). Versions up to and including 0.5.0b3.dev96 are vulnerable; later releases contain mitigations.", "description_and_impact": "The vulnerability resides in pyLoad\u2019s parse_urls API endpoint, where the supplied URL is forwarded server\u2011side without validation. An authenticated user with ADD permission may request arbitrary URLs, including internal network addresses, file://, gopher://, and dict:// protocols. This enables reading local files, communicating with internal services, and enumerating file existence through error responses. The weakness is a classic Server Side Request Forgery (CWE\u2011918) that can lead to internal data exposure or network reconnaissance.", "risk_and_exploitability": "With a CVSS base score of 7.7 the vulnerability is considered high severity. While EPSS data is unavailable and it is not listed in KEV, exploitation requires authenticated access to pyLoad, limiting the attack surface. Nonetheless, an attacker could leverage the SSRF to access internal services, metadata endpoints, or download sensitive files if permissions are granted."}}}}, "created": "2026-04-07T06:54:24.865508+00:00", "updated": "2026-04-07T09:37:26.782805+00:00", "vendors": ["pyload", "pyload$PRODUCT$pyload"]}