{"schema_version":1,"title":"Facebook vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 10 vulnerabilities in Facebook: 0 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, Hydra legacy target blacklist permits unsafe PyYAML loading, was published on 27 October 2026. 1 vulnerability in the last four weeks, down 67% on the four before (3). 2 technologies have a page of their own.","url":"https://junglewise.ai/threats/vendors/facebook","json_url":"https://junglewise.ai/threats/vendors/facebook.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/vendors/facebook","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","thin":false,"counts":{"high":6,"all_time":10,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":1,"last_90_days":4,"last_365_days":8},"latest":[{"cvss":7.8,"slug":"hydra-legacy-target-blacklist-permits-unsafe-pyyaml-loading-b82ea1ec","title":"Hydra legacy target blacklist permits unsafe PyYAML loading","severity":"high","exploited":false,"published_at":"2026-10-27T17:08:41+00:00","url":"https://junglewise.ai/threats/hydra-legacy-target-blacklist-permits-unsafe-pyyaml-loading-b82ea1ec"},{"cve":"CVE-2026-106442","cvss":7.8,"epss":0.0016,"slug":"cve-2026-106442-hydra-is-a-framework-for-elegantly-configuring-complex","title":"Facebook Hydra instantiate target bypass vulnerability","severity":"high","exploited":false,"published_at":"2026-10-06T19:18:13.17+00:00","url":"https://junglewise.ai/threats/cve-2026-106442-hydra-is-a-framework-for-elegantly-configuring-complex"},{"cve":"CVE-2026-106439","cvss":4,"epss":0.0046,"slug":"cve-2026-106439-hydra-is-a-framework-for-elegantly-configuring-complex","title":"Hydra instantiate execution policy bypass via mutable module-level state","severity":"high","exploited":false,"published_at":"2026-10-06T19:18:12.72+00:00","url":"https://junglewise.ai/threats/cve-2026-106439-hydra-is-a-framework-for-elegantly-configuring-complex"},{"cve":"CVE-2026-84895","slug":"cve-2026-84895-in-proxygen-from-v2026-04-06-00-until-v2026-09-28-00","title":"Facebook Proxygen use-after-free in QuicWtSession closeSession","severity":"info","exploited":false,"published_at":"2026-09-28T21:17:19.027+00:00","url":"https://junglewise.ai/threats/cve-2026-84895-in-proxygen-from-v2026-04-06-00-until-v2026-09-28-00"},{"cve":"CVE-2026-66705","cvss":7.1,"epss":0.0025,"slug":"cve-2026-66705-facebook-for-wordpress-unauthenticated-cross-site-scripting","title":"Facebook for WordPress unauthenticated cross-site scripting","severity":"high","exploited":false,"published_at":"2026-08-06T15:17:23.423+00:00","url":"https://junglewise.ai/threats/cve-2026-66705-facebook-for-wordpress-unauthenticated-cross-site-scripting"},{"cve":"CVE-2026-44909","cvss":7.5,"slug":"cve-2026-44909-facebook-proxygen-denial-of-service-via-slow-consumer-memory","title":"Facebook Proxygen denial of service via slow-consumer memory exhaustion","severity":"high","exploited":false,"published_at":"2026-07-23T17:16:28.17+00:00","url":"https://junglewise.ai/threats/cve-2026-44909-facebook-proxygen-denial-of-service-via-slow-consumer-memory"},{"cve":"CVE-2026-23870","cvss":7.5,"epss":0.0153,"slug":"cve-2026-23870-facebook-react-denial-of-service-in-react-server-components","title":"Facebook React Denial of Service in React Server Components","severity":"high","exploited":false,"published_at":"2026-05-06T17:16:22.043+00:00","url":"https://junglewise.ai/threats/cve-2026-23870-facebook-react-denial-of-service-in-react-server-components"},{"cve":"CVE-2025-55181","cvss":5.3,"epss":0.0029,"slug":"cve-2025-55181-sending-an-http-request-response-body-with-greater-than-2-31","title":"Sending an HTTP request/response body with greater than 2^31 bytes triggers an infinite loop in…","severity":"medium","exploited":false,"published_at":"2025-12-02T22:16:08.38+00:00","url":"https://junglewise.ai/threats/cve-2025-55181-sending-an-http-request-response-body-with-greater-than-2-31"},{"slug":"react-cross-site-scripting-in-createelement-6e7de634","title":"React Cross-Site Scripting in createElement","severity":"info","exploited":false,"published_at":"2020-09-04T15:26:04+00:00","url":"https://junglewise.ai/threats/react-cross-site-scripting-in-createelement-6e7de634"},{"cve":"CVE-2018-6341","cvss":3,"epss":0.0343,"slug":"cve-2018-6341-facebook-react-dom-cross-site-scripting-in-server-rendering","title":"Facebook react-dom cross-site scripting in server rendering","severity":"low","exploited":false,"published_at":"2019-01-04T19:05:35+00:00","url":"https://junglewise.ai/threats/cve-2018-6341-facebook-react-dom-cross-site-scripting-in-server-rendering"}],"vendor":{"hub":true,"name":"Facebook","slug":"facebook","homepage":"https://about.meta.com/","description":"Technology company that develops social media and software platforms.","url":"https://junglewise.ai/threats/vendors/facebook"},"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":2},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"most_severe":[{"cve":"CVE-2026-106442","cvss":7.8,"epss":0.0016,"slug":"cve-2026-106442-hydra-is-a-framework-for-elegantly-configuring-complex","title":"Facebook Hydra instantiate target bypass vulnerability","severity":"high","exploited":false,"published_at":"2026-10-06T19:18:13.17+00:00","url":"https://junglewise.ai/threats/cve-2026-106442-hydra-is-a-framework-for-elegantly-configuring-complex"},{"cvss":7.8,"slug":"hydra-legacy-target-blacklist-permits-unsafe-pyyaml-loading-b82ea1ec","title":"Hydra legacy target blacklist permits unsafe PyYAML loading","severity":"high","exploited":false,"published_at":"2026-10-27T17:08:41+00:00","url":"https://junglewise.ai/threats/hydra-legacy-target-blacklist-permits-unsafe-pyyaml-loading-b82ea1ec"},{"cve":"CVE-2026-23870","cvss":7.5,"epss":0.0153,"slug":"cve-2026-23870-facebook-react-denial-of-service-in-react-server-components","title":"Facebook React Denial of Service in React Server Components","severity":"high","exploited":false,"published_at":"2026-05-06T17:16:22.043+00:00","url":"https://junglewise.ai/threats/cve-2026-23870-facebook-react-denial-of-service-in-react-server-components"},{"cve":"CVE-2026-44909","cvss":7.5,"slug":"cve-2026-44909-facebook-proxygen-denial-of-service-via-slow-consumer-memory","title":"Facebook Proxygen denial of service via slow-consumer memory exhaustion","severity":"high","exploited":false,"published_at":"2026-07-23T17:16:28.17+00:00","url":"https://junglewise.ai/threats/cve-2026-44909-facebook-proxygen-denial-of-service-via-slow-consumer-memory"},{"cve":"CVE-2026-66705","cvss":7.1,"epss":0.0025,"slug":"cve-2026-66705-facebook-for-wordpress-unauthenticated-cross-site-scripting","title":"Facebook for WordPress unauthenticated cross-site scripting","severity":"high","exploited":false,"published_at":"2026-08-06T15:17:23.423+00:00","url":"https://junglewise.ai/threats/cve-2026-66705-facebook-for-wordpress-unauthenticated-cross-site-scripting"},{"cve":"CVE-2026-106439","cvss":4,"epss":0.0046,"slug":"cve-2026-106439-hydra-is-a-framework-for-elegantly-configuring-complex","title":"Hydra instantiate execution policy bypass via mutable module-level state","severity":"high","exploited":false,"published_at":"2026-10-06T19:18:12.72+00:00","url":"https://junglewise.ai/threats/cve-2026-106439-hydra-is-a-framework-for-elegantly-configuring-complex"},{"cve":"CVE-2025-55181","cvss":5.3,"epss":0.0029,"slug":"cve-2025-55181-sending-an-http-request-response-body-with-greater-than-2-31","title":"Sending an HTTP request/response body with greater than 2^31 bytes triggers an infinite loop in…","severity":"medium","exploited":false,"published_at":"2025-12-02T22:16:08.38+00:00","url":"https://junglewise.ai/threats/cve-2025-55181-sending-an-http-request-response-body-with-greater-than-2-31"},{"cve":"CVE-2018-6341","cvss":3,"epss":0.0343,"slug":"cve-2018-6341-facebook-react-dom-cross-site-scripting-in-server-rendering","title":"Facebook react-dom cross-site scripting in server rendering","severity":"low","exploited":false,"published_at":"2019-01-04T19:05:35+00:00","url":"https://junglewise.ai/threats/cve-2018-6341-facebook-react-dom-cross-site-scripting-in-server-rendering"},{"cve":"CVE-2026-84895","slug":"cve-2026-84895-in-proxygen-from-v2026-04-06-00-until-v2026-09-28-00","title":"Facebook Proxygen use-after-free in QuicWtSession closeSession","severity":"info","exploited":false,"published_at":"2026-09-28T21:17:19.027+00:00","url":"https://junglewise.ai/threats/cve-2026-84895-in-proxygen-from-v2026-04-06-00-until-v2026-09-28-00"},{"slug":"react-cross-site-scripting-in-createelement-6e7de634","title":"React Cross-Site Scripting in createElement","severity":"info","exploited":false,"published_at":"2020-09-04T15:26:04+00:00","url":"https://junglewise.ai/threats/react-cross-site-scripting-in-createelement-6e7de634"}],"generated_at":"2026-11-09T03:07:00.176479+00:00","technologies":[{"name":"Facebook Hydra","slug":"facebook-hydra","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/facebook-hydra"},{"name":"Facebook Proxygen","slug":"proxygen","vulnerabilities":3,"url":"https://junglewise.ai/threats/technologies/proxygen"}]}