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CVE-2026-34579

Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior are vulnerable to Authorization Bypass through the private issue monitoring feature . Using a crafted POST request to bug_monitor_add.php, a user with project-level access can add themselves as a monitor for a private issue they do not have access to. Despite displaying an Access Denied error, the application accepts the request and creates a monitor relationship for the private issue. Direct access to the p
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:abb6b24f1317992ac4025e65fc71a8d342ac1b3a3e10bb614a3f1b93f4e0ec3c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f8ac502b3bcbf722296a65b6c7100fbe8d836773d28a199c978006db99cf0f6f · sha256:6eee061a62dd01f7… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f8ac502b3bcbf722296a65b6c7100fbe8d836773d28a199c978006db99cf0f6f · sha256:6eee061a62dd01f7… · /containers/cna/problemTypes/1/descriptions/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:f8ac502b3bcbf722296a65b6c7100fbe8d836773d28a199c978006db99cf0f6f · sha256:6eee061a62dd01f7… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.3,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f8ac502b3bcbf722296a65b6c7100fbe8d836773d28a199c978006db99cf0f6f · sha256:6eee061a62dd01f7… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f8ac502b3bcbf722296a65b6c7100fbe8d836773d28a199c978006db99cf0f6f · sha256:6eee061a62dd01f7… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f8ac502b3bcbf722296a65b6c7100fbe8d836773d28a199c978006db99cf0f6f · sha256:6eee061a62dd01f7… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/mantisbt/mantisbt/commit/0a93267deba445fb9d15250c16e6fdb1246ffa65","tags":["x_refsource_MISC"],"url":"https://github.com/mantisbt/mantisbt/commit/0a93267deba445fb9d15250c16e6fdb1246ffa65"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f8ac502b3bcbf722296a65b6c7100fbe8d836773d28a199c978006db99cf0f6f · sha256:6eee061a62dd01f7… · /containers/cna/references/1
{"name":"https://github.com/mantisbt/mantisbt/security/advisories/GHSA-ggw7-9675-6v4v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/mantisbt/mantisbt/security/advisories/GHSA-ggw7-9675-6v4v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f8ac502b3bcbf722296a65b6c7100fbe8d836773d28a199c978006db99cf0f6f · sha256:6eee061a62dd01f7… · /containers/cna/references/0
{"name":"https://mantisbt.org/bugs/view.php?id=36975","tags":["x_refsource_MISC"],"url":"https://mantisbt.org/bugs/view.php?id=36975"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f8ac502b3bcbf722296a65b6c7100fbe8d836773d28a199c978006db99cf0f6f · sha256:6eee061a62dd01f7… · /containers/cna/references/2

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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