{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-43986", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-04T20:24:31.916Z", "datePublished": "2026-06-04T14:33:36.547Z", "dateUpdated": "2026-06-04T17:29:15.849Z" }, "containers": { "cna": { "title": "Tautulli vulnerable to unauthenticated SSRF in /image/ via attacker-seeded image hash replay", "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": "LOW", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L", "version": "3.1" } } ], "references": [ { "name": "https://github.com/Tautulli/Tautulli/security/advisories/GHSA-m6j6-rc2c-8vpm", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/Tautulli/Tautulli/security/advisories/GHSA-m6j6-rc2c-8vpm" }, { "name": "https://github.com/Tautulli/Tautulli/releases/tag/v2.17.1", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/Tautulli/Tautulli/releases/tag/v2.17.1" } ], "affected": [ { "vendor": "Tautulli", "product": "Tautulli", "versions": [ { "version": "< 2.17.1", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-04T14:33:36.547Z" }, "descriptions": [ { "lang": "en", "value": "Tautulli is a Python based monitoring and tracking tool for Plex Media Server. Versions prior to 2.17.1 expose a public `/image/` route that resolves attacker-controlled entries from `image_hash_lookup` and replays them through the same server-side image fetch logic used by authenticated image proxying. A low-privilege guest user can seed a malicious external image URL into this lookup table and then trigger server-side fetches through a fully unauthenticated endpoint. This turns an authenticated SSRF primitive into a persistent unauthenticated SSRF gadget. Once the malicious hash entry exists, any external user can request `/image/.png` and cause the PMS or Tautulli host to fetch an arbitrary attacker-chosen URL. Version 2.17.1 patches the issue." } ], "source": { "advisory": "GHSA-m6j6-rc2c-8vpm", "discovery": "UNKNOWN" } }, "adp": [ { "references": [ { "url": "https://github.com/Tautulli/Tautulli/security/advisories/GHSA-m6j6-rc2c-8vpm", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-06-04T17:28:57.623297Z", "id": "CVE-2026-43986", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-04T17:29:15.849Z" } } ] } }