{"id":"CVE-2026-121545","aliases":["EUVD-2026-115890","GHSA-vwg6-vcv8-xg59"],"status":"published","title":"Dreeve before 5.8.0 Missing Authentication in Strava Webhook POST Handler","description":"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.","severity":{"version":"4.0","score":6.9,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00208,"percentile":0.11042,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-345"],"published":"2026-11-03T15:17:05Z","modified":"2026-11-07T03:07:41Z","products":[{"vendor":"robiningelbrecht","product":"dreeve"}],"references":[{"url":"https://github.com/dreeveapp/dreeve/issues/2935","tags":["issue-tracking","exploit","report"]},{"url":"https://github.com/dreeveapp/dreeve","tags":["product","package"]},{"url":"https://github.com/dreeveapp/dreeve/commit/1e88f7664a95ecbffd299195f4730a60fcd3181a","tags":["patch","fix"]},{"url":"https://github.com/dreeveapp/dreeve/blob/v5.7.0/src/Controller/Strava/StravaWebhookRequestHandler.php#L64-L80","tags":["technical-description","article"]},{"url":"https://github.com/dreeveapp/dreeve/blob/v5.7.0/src/Console/Strava/ProcessStravaWebhooksConsoleCommand.php","tags":["technical-description","article"]},{"url":"https://github.com/dreeveapp/dreeve/pull/2936","tags":["technical-description","patch","issue-tracking","fix"]},{"url":"https://www.vulncheck.com/advisories/dreeve-before-5.8.0-missing-authentication-in-strava-webhook-post-handler","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121545","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-vwg6-vcv8-xg59"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/121xxx/CVE-2026-121545.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-121545","title":"Dreeve before 5.8.0 Missing Authentication in Strava Webhook POST Handler","description":"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.","status":"published","published":"2026-11-03T15:17:05.929Z","modified":"2026-11-07T03:07:41.415Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium","assessor":"cna"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-345"],"updated_at":"2026-11-07T04:32:31.343254Z"}],"euvd":[{"id":"EUVD-2026-115890","description":"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.","status":"published","published":"2026-11-03T15:17:05Z","modified":"2026-11-07T03:07:41Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium"}],"updated_at":"2026-11-07T04:08:16.282099Z"}],"ghsa":[{"id":"GHSA-vwg6-vcv8-xg59","title":"Dreeve before 5.8.0 contains a missing authentication vulnerability in...","description":"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.","status":"published","published":"2026-11-03T18:31:03Z","modified":"2026-11-03T18:31:04Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-345"],"updated_at":"2026-11-03T19:01:31.965978Z"}],"nvd":[{"id":"CVE-2026-121545","description":"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.","status":"published","published":"2026-11-03T16:17:26.03Z","modified":"2026-11-07T04:17:20.17Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-345"],"updated_at":"2026-11-07T07:04:25.467195Z"}],"osv":[{"id":"CVE-2026-121545","title":"Dreeve before 5.8.0 Missing Authentication in Strava Webhook POST Handler","description":"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.","status":"published","published":"2026-11-03T15:17:05.929Z","modified":"2026-11-08T02:31:00.645663823Z","cvss":[{"version":"4.0","score":6.9,"vector":"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","level":"medium"}],"cwes":["CWE-345"],"updated_at":"2026-11-08T02:57:53.255434Z"}]}}