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CVE-2026-34390

Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior have a Privilege Escalation vulnerability where insufficient access control checks in ProjectUsersAddCommand (manage_proj_user_add.php) allow users having manage_project_threshold access level (manager by default) to grant project-level administrator access to any user (including themselves) in any Project they have manager rights in. The normal project-user add form restricts the selectable access levels to
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:fb2910382550a3f9b9e74cd3f07aeb7a64caa09fc9378a4c9a9044807ea49608
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"mantisbt","vendor":"mantisbt","versions":[{"status":"affected","version":"< 2.28.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:78125a38a1c13a96bd679dc76fffac42c802101d49d795f61f12dcb81fc6f6ec · sha256:a5167161854b6f45… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"HIGH","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:78125a38a1c13a96bd679dc76fffac42c802101d49d795f61f12dcb81fc6f6ec · sha256:a5167161854b6f45… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:78125a38a1c13a96bd679dc76fffac42c802101d49d795f61f12dcb81fc6f6ec · sha256:a5167161854b6f45… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions
{"name":"https://github.com/mantisbt/mantisbt/commit/69e0180f180ed5acf48a8d281a73683a7bf32461","tags":["x_refsource_MISC"],"url":"https://github.com/mantisbt/mantisbt/commit/69e0180f180ed5acf48a8d281a73683a7bf32461"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:78125a38a1c13a96bd679dc76fffac42c802101d49d795f61f12dcb81fc6f6ec · sha256:a5167161854b6f45… · /containers/cna/references/1
{"name":"https://github.com/mantisbt/mantisbt/security/advisories/GHSA-frf7-jhp9-jxm6","tags":["x_refsource_CONFIRM"],"url":"https://github.com/mantisbt/mantisbt/security/advisories/GHSA-frf7-jhp9-jxm6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:78125a38a1c13a96bd679dc76fffac42c802101d49d795f61f12dcb81fc6f6ec · sha256:a5167161854b6f45… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://mantisbt.org/bugs/view.php?id=36995"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:78125a38a1c13a96bd679dc76fffac42c802101d49d795f61f12dcb81fc6f6ec · sha256:a5167161854b6f45… · /containers/adp/0/references/0
{"name":"https://mantisbt.org/bugs/view.php?id=36995","tags":["x_refsource_MISC"],"url":"https://mantisbt.org/bugs/view.php?id=36995"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:78125a38a1c13a96bd679dc76fffac42c802101d49d795f61f12dcb81fc6f6ec · sha256:a5167161854b6f45… · /containers/cna/references/2
{"name":"https://mantisbt.org/bugs/view.php?id=37002","tags":["x_refsource_MISC"],"url":"https://mantisbt.org/bugs/view.php?id=37002"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:78125a38a1c13a96bd679dc76fffac42c802101d49d795f61f12dcb81fc6f6ec · sha256:a5167161854b6f45… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://mantisbt.org/bugs/view.php?id=37002"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:78125a38a1c13a96bd679dc76fffac42c802101d49d795f61f12dcb81fc6f6ec · sha256:a5167161854b6f45… · /containers/adp/0/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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