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CVE-2026-53914

In JetBrains Kotlin before 2.4.20 code execution was possible via unsafe deserialization in the build cache metadata
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f43501796461b7a7bd095d528b048774f5b0291989171cde5a85d3d99403eabe
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-502","description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b0c45ff4c7de87a0bae1be6b2a00742214478631c3d7e515f5e816438e30cb3a · sha256:70c57768334f288f… · /containers/adp/0/problemTypes/0/descriptions/0

{"cweId":"CWE-502","description":"CWE-502","lang":"en"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b0c45ff4c7de87a0bae1be6b2a00742214478631c3d7e515f5e816438e30cb3a · sha256:70c57768334f288f… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Kotlin","vendor":"JetBrains","versions":[{"lessThan":"2.4.20","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b0c45ff4c7de87a0bae1be6b2a00742214478631c3d7e515f5e816438e30cb3a · sha256:70c57768334f288f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"LOW","baseScore":6.7,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b0c45ff4c7de87a0bae1be6b2a00742214478631c3d7e515f5e816438e30cb3a · sha256:70c57768334f288f… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b0c45ff4c7de87a0bae1be6b2a00742214478631c3d7e515f5e816438e30cb3a · sha256:70c57768334f288f… · /containers/adp/0/problemTypes/0/descriptions/0
{"cweId":"CWE-502","description":"CWE-502","lang":"en"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b0c45ff4c7de87a0bae1be6b2a00742214478631c3d7e515f5e816438e30cb3a · sha256:70c57768334f288f… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b0c45ff4c7de87a0bae1be6b2a00742214478631c3d7e515f5e816438e30cb3a · sha256:70c57768334f288f… · /containers/cna/references/0

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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