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CVE-2026-55771

CedarJava is an open source Java implementation of the Cedar policy language, used for fine-grained authorization decisions. In versions prior to 4.9.0, the EntityIdentifier.equals() has inverted null/self branches which could lead to incorrect equality comparisons. The EntityIdentifier.equals() method has inverted logic for null and self-reference checks, returning true for null comparisons and false for self-comparisons. This does not affect Cedar authorization decisions (computed in Rust from
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3581350f7bfe3be7eb833feefcc15b65b7efec03417da0d60e6a24f26c07acf3
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"cweId":"CWE-697","description":"CWE-697: Incorrect Comparison","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b9e12ea930af194547f47ccc765e022654cf0b31d7e939586321377d638028d6 · sha256:17e3486d8b244e0d… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-843","description":"CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b9e12ea930af194547f47ccc765e022654cf0b31d7e939586321377d638028d6 · sha256:17e3486d8b244e0d… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b9e12ea930af194547f47ccc765e022654cf0b31d7e939586321377d638028d6 · sha256:17e3486d8b244e0d… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"cedar-java","vendor":"cedar-policy","versions":[{"status":"affected","version":"< 4.9.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b9e12ea930af194547f47ccc765e022654cf0b31d7e939586321377d638028d6 · sha256:17e3486d8b244e0d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b9e12ea930af194547f47ccc765e022654cf0b31d7e939586321377d638028d6 · sha256:17e3486d8b244e0d… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-697","description":"CWE-697: Incorrect Comparison","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b9e12ea930af194547f47ccc765e022654cf0b31d7e939586321377d638028d6 · sha256:17e3486d8b244e0d… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-843","description":"CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b9e12ea930af194547f47ccc765e022654cf0b31d7e939586321377d638028d6 · sha256:17e3486d8b244e0d… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:b9e12ea930af194547f47ccc765e022654cf0b31d7e939586321377d638028d6 · sha256:17e3486d8b244e0d… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/cedar-policy/cedar-java/security/advisories/GHSA-4r9r-4425-74p7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/cedar-policy/cedar-java/security/advisories/GHSA-4r9r-4425-74p7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b9e12ea930af194547f47ccc765e022654cf0b31d7e939586321377d638028d6 · sha256:17e3486d8b244e0d… · /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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