CVE-2026-121545

{"id": "CVE-2026-121545", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 2.5, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.9, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "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": [{"vendor": "robiningelbrecht", "product": "dreeve", "versions": [{"status": "affected", "version": "0", "lessThan": "5.8.0", "versionType": "semver"}], "packageURL": "pkg:composer/robiningelbrecht/dreeve", "defaultStatus": "unaffected"}]}], "published": "2026-11-03T16:17:26.030", "references": [{"url": "https://github.com/dreeveapp/dreeve", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/dreeveapp/dreeve/blob/v5.7.0/src/Console/Strava/ProcessStravaWebhooksConsoleCommand.php", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/dreeveapp/dreeve/blob/v5.7.0/src/Controller/Strava/StravaWebhookRequestHandler.php#L64-L80", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/dreeveapp/dreeve/commit/1e88f7664a95ecbffd299195f4730a60fcd3181a", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/dreeveapp/dreeve/issues/2935", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/dreeveapp/dreeve/pull/2936", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/dreeve-before-5.8.0-missing-authentication-in-strava-webhook-post-handler", "source": "disclosure@vulncheck.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-345"}]}], "descriptions": [{"lang": "en", "value": "Dreeve before 5.8.0 contains a missing authentication vulnerability in StravaWebhookRequestHandler::handleEvent that allows unauthenticated attackers to forge Strava webhook events without signature, verify-token or owner_id checks. Attackers can send forged delete events with a known public Strava activity id to the webhook URL, causing permanent deletion of imported activities and their streams."}], "lastModified": "2026-11-03T16:30:49.290", "sourceIdentifier": "disclosure@vulncheck.com"}