CVE-2026-121561

{"id": "CVE-2026-121561", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.7, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.0, "exploitabilityScore": 3.1}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"repo": "https://github.com/HumanSignal/label-studio", "vendor": "HumanSignal", "product": "label-studio", "versions": [{"status": "affected", "version": "0", "lessThan": "1.23.2", "versionType": "semver"}], "packageURL": "pkg:pypi/label-studio", "defaultStatus": "unaffected"}, {"repo": "https://github.com/HumanSignal/label-studio-sdk", "vendor": "HumanSignal", "product": "label-studio-sdk", "versions": [{"status": "affected", "version": "0", "lessThan": "2.1.2", "versionType": "semver"}], "packageURL": "pkg:pypi/label-studio-sdk", "defaultStatus": "unaffected"}]}], "published": "2026-11-03T16:17:28.940", "references": [{"url": "https://github.com/HumanSignal/label-studio-sdk/blob/2.1.1/src/label_studio_sdk/_extensions/label_studio_tools/core/utils/io.py#L299-L338", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/HumanSignal/label-studio-sdk/blob/2.1.1/src/label_studio_sdk/_extensions/label_studio_tools/core/utils/io.py#L62-L71", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/HumanSignal/label-studio-sdk/commit/c20c899aaaa302740dacd46a47e5774bb677561f", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/HumanSignal/label-studio/blob/1.23.1/label_studio/data_export/models.py#L160-L167", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/HumanSignal/label-studio/commit/df96d79183156e556d91825d15fa7721f1145e1a", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/HumanSignal/label-studio/security/advisories/GHSA-6437-7wc6-gmx5", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/label-studio-before-1.23.2-ssrf-and-token-disclosure-via-image-export-downloads", "source": "disclosure@vulncheck.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-918"}]}], "descriptions": [{"lang": "en", "value": "Label Studio before 1.23.2 (label-studio-sdk before 2.1.2) contains a server-side request forgery vulnerability that allows authenticated users to read internal URLs through image-bearing export formats. Attackers can import tasks with data.image pointing at internal services, export as YOLO or COCO with images to read responses, and spoof Host to capture the organization owner's API token."}], "lastModified": "2026-11-03T16:30:17.150", "sourceIdentifier": "disclosure@vulncheck.com"}