{"schema_version":1,"title":"Mastodon vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 8 vulnerabilities in Mastodon: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-59825, was published on 18 August 2026. 1 technology has a page of its own.","url":"https://junglewise.ai/threats/vendors/mastodon","json_url":"https://junglewise.ai/threats/vendors/mastodon.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/mastodon","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"vendor","counts":{"high":4,"all_time":8,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":1,"last_365_days":8},"latest":[{"cve":"CVE-2026-59825","cvss":7.4,"epss":0.0037,"slug":"cve-2026-59825-mastodon-ldap-authentication-global-tls-verification-bypass","title":"Mastodon LDAP authentication global TLS verification bypass","severity":"high","exploited":false,"published_at":"2026-08-18T15:16:55.623+00:00","url":"https://junglewise.ai/threats/cve-2026-59825-mastodon-ldap-authentication-global-tls-verification-bypass"},{"cve":"CVE-2026-50129","cvss":7.5,"slug":"cve-2026-50129-mastodon-denial-of-service-via-uncaught-exception-in-math","title":"Mastodon denial of service via uncaught exception in math sanitizer","severity":"high","exploited":false,"published_at":"2026-06-24T21:16:55.02+00:00","url":"https://junglewise.ai/threats/cve-2026-50129-mastodon-denial-of-service-via-uncaught-exception-in-math"},{"cve":"CVE-2026-50128","cvss":5.3,"slug":"cve-2026-50128-mastodon-signature-verification-bypass-in-attributiondomains","title":"Mastodon signature verification bypass in attributionDomains spoofing","severity":"medium","exploited":false,"published_at":"2026-06-24T21:16:54.89+00:00","url":"https://junglewise.ai/threats/cve-2026-50128-mastodon-signature-verification-bypass-in-attributiondomains"},{"cve":"CVE-2026-48028","cvss":6.5,"slug":"cve-2026-48028-mastodon-spoofing-via-json-entry-removal-in-signed-activities","title":"Mastodon spoofing via JSON entry removal in signed activities","severity":"medium","exploited":false,"published_at":"2026-06-24T20:16:32.787+00:00","url":"https://junglewise.ai/threats/cve-2026-48028-mastodon-spoofing-via-json-entry-removal-in-signed-activities"},{"cve":"CVE-2026-47389","cvss":8.6,"slug":"cve-2026-47389-mastodon-ssrf-protection-bypass-in-privateaddresscheck","title":"Mastodon SSRF protection bypass in PrivateAddressCheck","severity":"high","exploited":false,"published_at":"2026-06-24T20:16:32.653+00:00","url":"https://junglewise.ai/threats/cve-2026-47389-mastodon-ssrf-protection-bypass-in-privateaddresscheck"},{"cve":"CVE-2026-46349","cvss":5.3,"slug":"cve-2026-46349-mastodon-signature-bypass-via-json-ld-restructuring","title":"Mastodon signature bypass via JSON-LD restructuring","severity":"medium","exploited":false,"published_at":"2026-06-24T20:16:32.233+00:00","url":"https://junglewise.ai/threats/cve-2026-46349-mastodon-signature-bypass-via-json-ld-restructuring"},{"cve":"CVE-2026-46348","cvss":8.7,"slug":"cve-2026-46348-mastodon-ssrf-via-ipv6-loopback-bypass","title":"Mastodon SSRF via IPv6 loopback bypass","severity":"info","exploited":false,"published_at":"2026-06-24T20:16:32.1+00:00","url":"https://junglewise.ai/threats/cve-2026-46348-mastodon-ssrf-via-ipv6-loopback-bypass"},{"cve":"CVE-2026-47777","cvss":7.5,"slug":"cve-2026-47777-mastodon-authorization-bypass-in-experimental-collections-feature","title":"Mastodon authorization bypass in experimental Collections feature","severity":"high","exploited":false,"published_at":"2026-06-15T18:16:35.287+00:00","url":"https://junglewise.ai/threats/cve-2026-47777-mastodon-authorization-bypass-in-experimental-collections-feature"}],"vendor":{"hub":true,"name":"Mastodon","slug":"mastodon","homepage":"https://joinmastodon.org/","description":"Mastodon is a non-profit organization that develops the Mastodon decentralized social networking software.","url":"https://junglewise.ai/threats/vendors/mastodon"},"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":1},{"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}],"most_severe":[{"cve":"CVE-2026-47389","cvss":8.6,"slug":"cve-2026-47389-mastodon-ssrf-protection-bypass-in-privateaddresscheck","title":"Mastodon SSRF protection bypass in PrivateAddressCheck","severity":"high","exploited":false,"published_at":"2026-06-24T20:16:32.653+00:00","url":"https://junglewise.ai/threats/cve-2026-47389-mastodon-ssrf-protection-bypass-in-privateaddresscheck"},{"cve":"CVE-2026-50129","cvss":7.5,"slug":"cve-2026-50129-mastodon-denial-of-service-via-uncaught-exception-in-math","title":"Mastodon denial of service via uncaught exception in math sanitizer","severity":"high","exploited":false,"published_at":"2026-06-24T21:16:55.02+00:00","url":"https://junglewise.ai/threats/cve-2026-50129-mastodon-denial-of-service-via-uncaught-exception-in-math"},{"cve":"CVE-2026-47777","cvss":7.5,"slug":"cve-2026-47777-mastodon-authorization-bypass-in-experimental-collections-feature","title":"Mastodon authorization bypass in experimental Collections feature","severity":"high","exploited":false,"published_at":"2026-06-15T18:16:35.287+00:00","url":"https://junglewise.ai/threats/cve-2026-47777-mastodon-authorization-bypass-in-experimental-collections-feature"},{"cve":"CVE-2026-59825","cvss":7.4,"epss":0.0037,"slug":"cve-2026-59825-mastodon-ldap-authentication-global-tls-verification-bypass","title":"Mastodon LDAP authentication global TLS verification bypass","severity":"high","exploited":false,"published_at":"2026-08-18T15:16:55.623+00:00","url":"https://junglewise.ai/threats/cve-2026-59825-mastodon-ldap-authentication-global-tls-verification-bypass"},{"cve":"CVE-2026-48028","cvss":6.5,"slug":"cve-2026-48028-mastodon-spoofing-via-json-entry-removal-in-signed-activities","title":"Mastodon spoofing via JSON entry removal in signed activities","severity":"medium","exploited":false,"published_at":"2026-06-24T20:16:32.787+00:00","url":"https://junglewise.ai/threats/cve-2026-48028-mastodon-spoofing-via-json-entry-removal-in-signed-activities"},{"cve":"CVE-2026-50128","cvss":5.3,"slug":"cve-2026-50128-mastodon-signature-verification-bypass-in-attributiondomains","title":"Mastodon signature verification bypass in attributionDomains spoofing","severity":"medium","exploited":false,"published_at":"2026-06-24T21:16:54.89+00:00","url":"https://junglewise.ai/threats/cve-2026-50128-mastodon-signature-verification-bypass-in-attributiondomains"},{"cve":"CVE-2026-46349","cvss":5.3,"slug":"cve-2026-46349-mastodon-signature-bypass-via-json-ld-restructuring","title":"Mastodon signature bypass via JSON-LD restructuring","severity":"medium","exploited":false,"published_at":"2026-06-24T20:16:32.233+00:00","url":"https://junglewise.ai/threats/cve-2026-46349-mastodon-signature-bypass-via-json-ld-restructuring"},{"cve":"CVE-2026-46348","cvss":8.7,"slug":"cve-2026-46348-mastodon-ssrf-via-ipv6-loopback-bypass","title":"Mastodon SSRF via IPv6 loopback bypass","severity":"info","exploited":false,"published_at":"2026-06-24T20:16:32.1+00:00","url":"https://junglewise.ai/threats/cve-2026-46348-mastodon-ssrf-via-ipv6-loopback-bypass"}],"generated_at":"2026-09-26T09:11:00.170868+00:00","technologies":[{"name":"Mastodon","slug":"mastodon","vulnerabilities":8,"url":"https://junglewise.ai/threats/technologies/mastodon"}]}