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CVE-2026-59713

Leantime contains an OIDC login CSRF vulnerability in the verifyState() method that unconditionally returns true without validating state parameters. Attackers can craft malicious callback URLs with attacker-controlled authorization codes to perform session fixation, logging victims in as the attacker.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f501a23c8c0ad2c36d6b9264de0dfa58eb8ecc15e2b9ccb172b4b109262a7487
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":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.6,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a488c3cb12d4aff0d57e584818e6ab6c0cac3001dce050e761d447048e72091a · sha256:251c794c1f0afe33… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a488c3cb12d4aff0d57e584818e6ab6c0cac3001dce050e761d447048e72091a · sha256:251c794c1f0afe33… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:npm/leantime","product":"Leantime","vendor":"Leantime","versions":[{"lessThanOrEqual":"3.4.4","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a488c3cb12d4aff0d57e584818e6ab6c0cac3001dce050e761d447048e72091a · sha256:251c794c1f0afe33… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.6,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a488c3cb12d4aff0d57e584818e6ab6c0cac3001dce050e761d447048e72091a · sha256:251c794c1f0afe33… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a488c3cb12d4aff0d57e584818e6ab6c0cac3001dce050e761d447048e72091a · sha256:251c794c1f0afe33… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-352","description":"Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a488c3cb12d4aff0d57e584818e6ab6c0cac3001dce050e761d447048e72091a · sha256:251c794c1f0afe33… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"Product","tags":["product"],"url":"https://github.com/Leantime/leantime"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a488c3cb12d4aff0d57e584818e6ab6c0cac3001dce050e761d447048e72091a · sha256:251c794c1f0afe33… · /containers/cna/references/1
{"name":"Patch Commit","tags":["patch"],"url":"https://github.com/Leantime/leantime/commit/9630eb7db682fb1b4e23cdabf3428d03ec6f5094"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a488c3cb12d4aff0d57e584818e6ab6c0cac3001dce050e761d447048e72091a · sha256:251c794c1f0afe33… · /containers/cna/references/2
{"name":"GitHub Issue","tags":["issue-tracking"],"url":"https://github.com/Leantime/leantime/issues/3535"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a488c3cb12d4aff0d57e584818e6ab6c0cac3001dce050e761d447048e72091a · sha256:251c794c1f0afe33… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/leantime-oidc-login-csrf-via-unconditional-state-verification-stub"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a488c3cb12d4aff0d57e584818e6ab6c0cac3001dce050e761d447048e72091a · sha256:251c794c1f0afe33… · /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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