{"id":"CVE-2026-70590","aliases":["BIT-ghost-2026-70590","EUVD-2026-52934","GHSA-jm22-3w23-5q7w"],"status":"published","title":"Ghost: Blind Password Hash Disclosure in Ghost Admin API","description":"Ghost is a Node.js content management system. Prior to 6.54.1, any staff-level user was able to leak the hashed passwords of other staff users through the Ghost Admin API. An offline password-guessing attack against the hashes could lead to account takeover if successful, but Device Verification should have prevented an attacker from logging in with a recovered password. Depending on the database used, leaked hashes may not have had the correct casing for all characters, increasing the difficulty of a password-guessing attack. This issue is fixed in version 6.54.1.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00323,"percentile":0.25717,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2026-08-04T21:27:22Z","modified":"2026-10-28T02:30:28Z","fixes":[{"ecosystem":"npm","package":"ghost","fixed_in":["6.54.1"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"ghost","fixed_in":["6.54.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"ghost","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.54.1"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"ghost","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"6.54.1"}]}]},{"source":"osv","ecosystem":"npm","package":"ghost","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"6.54.1"}]}]}],"products":[{"vendor":"tryghost","product":"ghost"}],"references":[{"url":"https://github.com/TryGhost/Ghost/security/advisories/GHSA-jm22-3w23-5q7w","tags":["x_refsource_CONFIRM","web","advisory"]},{"url":"https://github.com/TryGhost/Ghost/pull/29628","tags":["x_refsource_MISC","web","fix"]},{"url":"https://github.com/TryGhost/Ghost/commit/63c31fad7e473caa62d8fbb4651a04a2a62b5d00","tags":["x_refsource_MISC","web","fix"]},{"url":"https://github.com/TryGhost/Ghost/releases/tag/v6.54.1","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/advisories/GHSA-jm22-3w23-5q7w"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70590","tags":["web","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/70xxx/CVE-2026-70590.json","tags":["advisory"]},{"url":"https://github.com/TryGhost/Ghost","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-70590","title":"Ghost: Blind Password Hash Disclosure in Ghost Admin API","description":"Ghost is a Node.js content management system. Prior to 6.54.1, any staff-level user was able to leak the hashed passwords of other staff users through the Ghost Admin API. An offline password-guessing attack against the hashes could lead to account takeover if successful, but Device Verification should have prevented an attacker from logging in with a recovered password. Depending on the database used, leaked hashes may not have had the correct casing for all characters, increasing the difficulty of a password-guessing attack. This issue is fixed in version 6.54.1.","status":"published","published":"2026-08-04T21:27:22.823Z","modified":"2026-08-05T14:28:28.14Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T13:35:22.169514Z"}],"euvd":[{"id":"EUVD-2026-52934","description":"Ghost is a Node.js content management system. Prior to 6.54.1, any staff-level user was able to leak the hashed passwords of other staff users through the Ghost Admin API. An offline password-guessing attack against the hashes could lead to account takeover if successful, but Device Verification should have prevented an attacker from logging in with a recovered password. Depending on the database used, leaked hashes may not have had the correct casing for all characters, increasing the difficulty of a password-guessing attack. This issue is fixed in version 6.54.1.","status":"published","published":"2026-08-04T21:27:22Z","modified":"2026-08-05T14:28:28Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:10.319044Z"}],"ghsa":[{"id":"GHSA-jm22-3w23-5q7w","title":"Ghost: Blind Password Hash Disclosure in Ghost Admin API","description":"### Impact\n\nAny staff-level user was able to leak the hashed passwords of other staff users. An offline password-guessing attack against the hashes could lead to account takeover if successful, but [Device Verification](https://docs.ghost.org/security#device-verification) should have prevented an attacker from logging in with a recovered password. Depending on the database used, leaked hashes may not have had the correct casing for all characters, increasing the difficulty of a password-guessing attack.\n\n### Vulnerable versions\n\nThis vulnerability is present in Ghost versions v6.54.0 and earlier.\n\n### Patches\n\nv6.54.1 contains a fix for this issue.\n\n### How to update\n\nFor self-hosters using Docker, find [Docker's official Ghost image here](https://hub.docker.com/_/ghost). Updating a Docker-based Ghost instance [is documented here](https://docs.ghost.org/install/docker#updating-ghost). \n\nIf your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update). \n\n### Workarounds\n\nIf upgrading immediately is not possible, ensure all staff users have [Multi-factor Authentication](https://docs.ghost.org/security#email-2fa) (MFA) enabled. This will help prevent an attacker from logging in with any passwords that are successfully recovered from the leaked hashes.\n\n### References\n\nGhost thanks Chapman Schleiss for disclosing this vulnerability responsibly. \n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).","status":"published","published":"2026-08-04T21:28:35Z","modified":"2026-08-04T21:28:35Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:40:56.852119Z"}],"nvd":[{"id":"CVE-2026-70590","description":"Ghost is a Node.js content management system. Prior to 6.54.1, any staff-level user was able to leak the hashed passwords of other staff users through the Ghost Admin API. An offline password-guessing attack against the hashes could lead to account takeover if successful, but Device Verification should have prevented an attacker from logging in with a recovered password. Depending on the database used, leaked hashes may not have had the correct casing for all characters, increasing the difficulty of a password-guessing attack. This issue is fixed in version 6.54.1.","status":"published","published":"2026-08-04T22:17:16.85Z","modified":"2026-10-24T15:10:00.19Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:12:34.643497Z"}],"osv":[{"id":"CVE-2026-70590","title":"Ghost: Blind Password Hash Disclosure in Ghost Admin API","description":"Ghost is a Node.js content management system. Prior to 6.54.1, any staff-level user was able to leak the hashed passwords of other staff users through the Ghost Admin API. An offline password-guessing attack against the hashes could lead to account takeover if successful, but Device Verification should have prevented an attacker from logging in with a recovered password. Depending on the database used, leaked hashes may not have had the correct casing for all characters, increasing the difficulty of a password-guessing attack. This issue is fixed in version 6.54.1.","status":"published","published":"2026-08-04T21:27:22.823Z","modified":"2026-10-28T02:30:28.214932749Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:45:15.164658Z"},{"id":"GHSA-jm22-3w23-5q7w","title":"Ghost: Blind Password Hash Disclosure in Ghost Admin API","description":"### Impact\n\nAny staff-level user was able to leak the hashed passwords of other staff users. An offline password-guessing attack against the hashes could lead to account takeover if successful, but [Device Verification](https://docs.ghost.org/security#device-verification) should have prevented an attacker from logging in with a recovered password. Depending on the database used, leaked hashes may not have had the correct casing for all characters, increasing the difficulty of a password-guessing attack.\n\n### Vulnerable versions\n\nThis vulnerability is present in Ghost versions v6.54.0 and earlier.\n\n### Patches\n\nv6.54.1 contains a fix for this issue.\n\n### How to update\n\nFor self-hosters using Docker, find [Docker's official Ghost image here](https://hub.docker.com/_/ghost). Updating a Docker-based Ghost instance [is documented here](https://docs.ghost.org/install/docker#updating-ghost). \n\nIf your Ghost is a Ghost-CLI install see our documentation on [updating it to the latest version here](https://docs.ghost.org/update). \n\n### Workarounds\n\nIf upgrading immediately is not possible, ensure all staff users have [Multi-factor Authentication](https://docs.ghost.org/security#email-2fa) (MFA) enabled. This will help prevent an attacker from logging in with any passwords that are successfully recovered from the leaked hashes.\n\n### References\n\nGhost thanks Chapman Schleiss for disclosing this vulnerability responsibly. \n\n### For more information\n\nIf you have any questions or comments about this advisory, email us at [security@ghost.org](mailto:security@ghost.org).","status":"published","published":"2026-08-04T21:28:35Z","modified":"2026-08-17T08:10:38.623523945Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:H/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:46:50.687609Z"},{"id":"BIT-ghost-2026-70590","title":"Ghost: Blind Password Hash Disclosure in Ghost Admin API","description":"Ghost is a Node.js content management system. Prior to 6.54.1, any staff-level user was able to leak the hashed passwords of other staff users through the Ghost Admin API. An offline password-guessing attack against the hashes could lead to account takeover if successful, but Device Verification should have prevented an attacker from logging in with a recovered password. Depending on the database used, leaked hashes may not have had the correct casing for all characters, increasing the difficulty of a password-guessing attack. This issue is fixed in version 6.54.1.","status":"published","published":"2026-08-17T05:40:58.488Z","modified":"2026-08-17T08:10:38.623523945Z","updated_at":"2026-11-02T15:28:29.999658Z"}]}}