{"items":[{"id":"NVI-00001845","kind":"vulnerability","title":"MantisBT vulnerable to authentication bypass for some passwords due to PHP type juggling","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-4v8w-gg5j-ph37","CVE-2025-47776"],"plain_summary":"OSV carries this publisher advisory for mantisbt/mantisbt. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.27.2 for mantisbt/mantisbt. Confirm the publisher’s latest guidance.","source_ids":["sr-0299d964bd71ac17289d40eab9a28f66"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-5250525117041a5c24e1e9a813fd6f37"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-19T13:10:00.110Z","value":"9.1 CRITICAL (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-a951837368506aee8518499aad7a34e5"},{"kind":"CVSS","as_of":"2026-10-19T13:10:00.110Z","value":"8.8 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-a951837368506aee8518499aad7a34e5"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.345%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.28062. Missing scores are unknown.","source_id":"sr-5250525117041a5c24e1e9a813fd6f37"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-0299d964bd71ac17289d40eab9a28f66","url":"https://github.com/advisories/GHSA-4v8w-gg5j-ph37","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4v8w-gg5j-ph37","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.673Z"},{"id":"sr-a951837368506aee8518499aad7a34e5","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-47776","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2025-47776","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:05.821Z"},{"id":"sr-5250525117041a5c24e1e9a813fd6f37","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2025-47776","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.371Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0299d964bd71ac17289d40eab9a28f66"],"technology":"mantisbt/mantisbt","known_exclusions":[],"conditions_summary":"Due to an incorrect use of loose (`==`) instead of strict (`===`) comparison in the [authentication code][1], PHP type juggling will cause interpretation of certain MD5 hashes as numbers, specifically those matching scientific notation.\n\n[1]: https://github.com/mantisbt/mantisbt/blob/0fb502dd613991e892ed2224ac5ea3e40ba632bc/core/authentication_api.php#L782\n\n### Impact\nOn MantisBT instances configured to use the *MD5* login method, user accounts having a password hash evaluating to zero (i.e. matching regex `^0+[Ee][0-9]+$`) are vulnerable, allowing an attacker knowing the victim's username to login without knowledge of their actual password, using any other password having a  hash evaluating to zero, for example `comito5` (0e579603064547166083907005281618). \n\nNo password bruteforcing for individual users is needed, thus $g_max_failed_login_count does not protect against the attack.\n\n### Patches\n* https://github.com/mantisbt/mantisbt/commit/966554a19cf1bdbcfbfb3004766979faa748f9a2\n\n### Workarounds\nCheck the database for vulnerable accounts, and change those users' passwords, e.g. for MySQL:\n```sql\nSELECT username, email FROM mantis_user_table WHERE password REGEXP '^0+[Ee][0-9]+$'\n`","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.27.2"]}],"null_published_at":"2026-11-06T15:18:17.668Z","source_updated_at":"2026-03-06T00:32:33.168Z","source_disclosed_at":"2025-11-03T17:07:36.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:49.673Z"},{"id":"NVI-00001845","kind":"vulnerability","title":"MantisBT vulnerable to authentication bypass for some passwords due to PHP type juggling","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4v8w-gg5j-ph37","CVE-2025-47776"],"plain_summary":"OSV carries this publisher advisory for mantisbt/mantisbt. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.27.2 for mantisbt/mantisbt. Confirm the publisher’s latest guidance.","source_ids":["sr-0299d964bd71ac17289d40eab9a28f66"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-5250525117041a5c24e1e9a813fd6f37"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.345%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.28062. Missing scores are unknown.","source_id":"sr-5250525117041a5c24e1e9a813fd6f37"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-0299d964bd71ac17289d40eab9a28f66","url":"https://github.com/advisories/GHSA-4v8w-gg5j-ph37","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4v8w-gg5j-ph37","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.673Z"},{"id":"sr-5250525117041a5c24e1e9a813fd6f37","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2025-47776","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.371Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0299d964bd71ac17289d40eab9a28f66"],"technology":"mantisbt/mantisbt","known_exclusions":[],"conditions_summary":"Due to an incorrect use of loose (`==`) instead of strict (`===`) comparison in the [authentication code][1], PHP type juggling will cause interpretation of certain MD5 hashes as numbers, specifically those matching scientific notation.\n\n[1]: https://github.com/mantisbt/mantisbt/blob/0fb502dd613991e892ed2224ac5ea3e40ba632bc/core/authentication_api.php#L782\n\n### Impact\nOn MantisBT instances configured to use the *MD5* login method, user accounts having a password hash evaluating to zero (i.e. matching regex `^0+[Ee][0-9]+$`) are vulnerable, allowing an attacker knowing the victim's username to login without knowledge of their actual password, using any other password having a  hash evaluating to zero, for example `comito5` (0e579603064547166083907005281618). \n\nNo password bruteforcing for individual users is needed, thus $g_max_failed_login_count does not protect against the attack.\n\n### Patches\n* https://github.com/mantisbt/mantisbt/commit/966554a19cf1bdbcfbfb3004766979faa748f9a2\n\n### Workarounds\nCheck the database for vulnerable accounts, and change those users' passwords, e.g. for MySQL:\n```sql\nSELECT username, email FROM mantis_user_table WHERE password REGEXP '^0+[Ee][0-9]+$'\n`","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.27.2"]}],"null_published_at":"2026-11-01T01:04:04.829Z","source_updated_at":"2026-03-06T00:32:33.168Z","source_disclosed_at":"2025-11-03T17:07:36.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:41:49.673Z"},{"id":"NVI-00001845","kind":"vulnerability","title":"MantisBT vulnerable to authentication bypass for some passwords due to PHP type juggling","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4v8w-gg5j-ph37","CVE-2025-47776"],"plain_summary":"OSV carries this publisher advisory for mantisbt/mantisbt. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.27.2 for mantisbt/mantisbt. Confirm the publisher’s latest guidance.","source_ids":["sr-0299d964bd71ac17289d40eab9a28f66"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-0299d964bd71ac17289d40eab9a28f66","url":"https://github.com/advisories/GHSA-4v8w-gg5j-ph37","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-4v8w-gg5j-ph37","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.673Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0299d964bd71ac17289d40eab9a28f66"],"technology":"mantisbt/mantisbt","known_exclusions":[],"conditions_summary":"Due to an incorrect use of loose (`==`) instead of strict (`===`) comparison in the [authentication code][1], PHP type juggling will cause interpretation of certain MD5 hashes as numbers, specifically those matching scientific notation.\n\n[1]: https://github.com/mantisbt/mantisbt/blob/0fb502dd613991e892ed2224ac5ea3e40ba632bc/core/authentication_api.php#L782\n\n### Impact\nOn MantisBT instances configured to use the *MD5* login method, user accounts having a password hash evaluating to zero (i.e. matching regex `^0+[Ee][0-9]+$`) are vulnerable, allowing an attacker knowing the victim's username to login without knowledge of their actual password, using any other password having a  hash evaluating to zero, for example `comito5` (0e579603064547166083907005281618). \n\nNo password bruteforcing for individual users is needed, thus $g_max_failed_login_count does not protect against the attack.\n\n### Patches\n* https://github.com/mantisbt/mantisbt/commit/966554a19cf1bdbcfbfb3004766979faa748f9a2\n\n### Workarounds\nCheck the database for vulnerable accounts, and change those users' passwords, e.g. for MySQL:\n```sql\nSELECT username, email FROM mantis_user_table WHERE password REGEXP '^0+[Ee][0-9]+$'\n`","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 2.27.2"]}],"null_published_at":"2026-10-31T21:53:28.052Z","source_updated_at":"2026-03-06T00:32:33.168Z","source_disclosed_at":"2025-11-03T17:07:36.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:41:49.673Z"}],"next_cursor":null,"snapshot_revision":"42594"}