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CVE-2026-44595

Yamcs is a mission control framework. Prior to 5.12.7, the IAM API endpoints listUsers, getUser, listGroups, and getGroup in yamcs-core did not enforce the required SystemPrivilege.ControlAccess check in yamcs-core/src/main/java/org/yamcs/http/api/IamApi.java, so any authenticated user, even one with low or no privileges, could enumerate all user accounts in the system including their usernames, superuser status, and group memberships. This issue is fixed in versions 5.12.7 and 5.13.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f528aecdfc2f53489686d8f71f7b582c64f86d33cf7f1648d4e66389d860af60
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"yamcs","vendor":"yamcs","versions":[{"status":"affected","version":"< 5.12.7"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2d6fd6ec5ec31e8e229014d01aa74c120196988721f4d9d057076594ac63e9b4 · sha256:aafb29fa6a65bb56… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2d6fd6ec5ec31e8e229014d01aa74c120196988721f4d9d057076594ac63e9b4 · sha256:aafb29fa6a65bb56… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2d6fd6ec5ec31e8e229014d01aa74c120196988721f4d9d057076594ac63e9b4 · sha256:aafb29fa6a65bb56… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions
{"name":"https://github.com/yamcs/yamcs/commit/0e12b518f103f24681299318a30a460fe4327b88","tags":["x_refsource_MISC"],"url":"https://github.com/yamcs/yamcs/commit/0e12b518f103f24681299318a30a460fe4327b88"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2d6fd6ec5ec31e8e229014d01aa74c120196988721f4d9d057076594ac63e9b4 · sha256:aafb29fa6a65bb56… · /containers/cna/references/1
{"name":"https://github.com/yamcs/yamcs/commit/e90099fba98e96214217c195b6a5b87b5f46e51c","tags":["x_refsource_MISC"],"url":"https://github.com/yamcs/yamcs/commit/e90099fba98e96214217c195b6a5b87b5f46e51c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2d6fd6ec5ec31e8e229014d01aa74c120196988721f4d9d057076594ac63e9b4 · sha256:aafb29fa6a65bb56… · /containers/cna/references/2
{"name":"https://github.com/yamcs/yamcs/releases/tag/yamcs-5.12.7","tags":["x_refsource_MISC"],"url":"https://github.com/yamcs/yamcs/releases/tag/yamcs-5.12.7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2d6fd6ec5ec31e8e229014d01aa74c120196988721f4d9d057076594ac63e9b4 · sha256:aafb29fa6a65bb56… · /containers/cna/references/3
{"name":"https://github.com/yamcs/yamcs/releases/tag/yamcs-5.13.0","tags":["x_refsource_MISC"],"url":"https://github.com/yamcs/yamcs/releases/tag/yamcs-5.13.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2d6fd6ec5ec31e8e229014d01aa74c120196988721f4d9d057076594ac63e9b4 · sha256:aafb29fa6a65bb56… · /containers/cna/references/4
{"name":"https://github.com/yamcs/yamcs/security/advisories/GHSA-p2rj-mrmc-9w29","tags":["x_refsource_CONFIRM"],"url":"https://github.com/yamcs/yamcs/security/advisories/GHSA-p2rj-mrmc-9w29"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2d6fd6ec5ec31e8e229014d01aa74c120196988721f4d9d057076594ac63e9b4 · sha256:aafb29fa6a65bb56… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/yamcs/yamcs/security/advisories/GHSA-p2rj-mrmc-9w29"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2d6fd6ec5ec31e8e229014d01aa74c120196988721f4d9d057076594ac63e9b4 · sha256:aafb29fa6a65bb56… · /containers/adp/0/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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