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CVE-2026-66412

Leantime 3.6.2 and prior contains a broken access control vulnerability that allows authenticated users to read milestone data from projects they are not assigned to by supplying arbitrary integer milestone IDs to the tickets.getMilestone JSON-RPC endpoint. Attackers can enumerate integer milestone IDs through the JSON-RPC API to access project planning information, milestone titles, descriptions, and timelines across all projects on the instance regardless of project membership.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:516be62c13e81abd3f5684caf2dd7007e833291e31918c13222ef87cfa959e68
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fa9d00ac2878ea9b9a0ec999be538fa72139bd59e3294e783dea48e5be1b6c05 · sha256:032a556db2111c39… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.1,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"H…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fa9d00ac2878ea9b9a0ec999be538fa72139bd59e3294e783dea48e5be1b6c05 · sha256:032a556db2111c39… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"affected","product":"Leantime","vendor":"Leantime","versions":[{"lessThanOrEqual":"3.6.2","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fa9d00ac2878ea9b9a0ec999be538fa72139bd59e3294e783dea48e5be1b6c05 · sha256:032a556db2111c39… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fa9d00ac2878ea9b9a0ec999be538fa72139bd59e3294e783dea48e5be1b6c05 · sha256:032a556db2111c39… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.1,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"H…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fa9d00ac2878ea9b9a0ec999be538fa72139bd59e3294e783dea48e5be1b6c05 · sha256:032a556db2111c39… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-639","description":"CWE-639 Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fa9d00ac2878ea9b9a0ec999be538fa72139bd59e3294e783dea48e5be1b6c05 · sha256:032a556db2111c39… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"Patch Commit","tags":["patch"],"url":"https://github.com/Leantime/leantime/commit/68898eeb914882a21797523f2782914795bc67ae"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fa9d00ac2878ea9b9a0ec999be538fa72139bd59e3294e783dea48e5be1b6c05 · sha256:032a556db2111c39… · /containers/cna/references/2
{"name":"Pull Request","tags":["issue-tracking"],"url":"https://github.com/Leantime/leantime/pull/3657"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fa9d00ac2878ea9b9a0ec999be538fa72139bd59e3294e783dea48e5be1b6c05 · sha256:032a556db2111c39… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/Leantime/leantime/pull/3657"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fa9d00ac2878ea9b9a0ec999be538fa72139bd59e3294e783dea48e5be1b6c05 · sha256:032a556db2111c39… · /containers/adp/0/references/0
{"name":"GitHub Security Advisory","tags":["vendor-advisory"],"url":"https://github.com/Leantime/leantime/security/advisories/GHSA-wv69-xr82-phr6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fa9d00ac2878ea9b9a0ec999be538fa72139bd59e3294e783dea48e5be1b6c05 · sha256:032a556db2111c39… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/leantime-all-versions-prior-to-and-broken-access-control-via-tickets-getmilestone-json-rpc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fa9d00ac2878ea9b9a0ec999be538fa72139bd59e3294e783dea48e5be1b6c05 · sha256:032a556db2111c39… · /containers/cna/references/3

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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