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CVE-2026-43002

An issue was discovered in OpenStack Horizon 25.6 and 25.7 before 25.7.3. There is a write operation to the session storage backend before authentication and thus storage can be exhausted by unauthenticated requests. This is a regression of the CVE-2014-8124 fix.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:fa9f42375b7d864b679d249d13c8f7539e5a6a6b616d8b973202b5ee3471f857
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Horizon","vendor":"OpenStack","versions":[{"lessThan":"25.7.3","status":"affected","version":"25.6.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9efb1d09a9e7628afb4b26bba83b2231a0740933cf8f1eb5bec3dbfa26349fd8 · sha256:7eaf97ddc591028f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9efb1d09a9e7628afb4b26bba83b2231a0740933cf8f1eb5bec3dbfa26349fd8 · sha256:7eaf97ddc591028f… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-696","description":"CWE-696 Incorrect Behavior Order","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9efb1d09a9e7628afb4b26bba83b2231a0740933cf8f1eb5bec3dbfa26349fd8 · sha256:7eaf97ddc591028f… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"https://bugs.launchpad.net/horizon/+bug/2150331"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9efb1d09a9e7628afb4b26bba83b2231a0740933cf8f1eb5bec3dbfa26349fd8 · sha256:7eaf97ddc591028f… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://bugs.launchpad.net/horizon/+bug/2150331"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9efb1d09a9e7628afb4b26bba83b2231a0740933cf8f1eb5bec3dbfa26349fd8 · sha256:7eaf97ddc591028f… · /containers/adp/0/references/0
{"url":"https://security.openstack.org/ossa/OSSA-2026-009.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9efb1d09a9e7628afb4b26bba83b2231a0740933cf8f1eb5bec3dbfa26349fd8 · sha256:7eaf97ddc591028f… · /containers/cna/references/2
{"url":"https://www.openwall.com/lists/oss-security/2026/05/05/7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9efb1d09a9e7628afb4b26bba83b2231a0740933cf8f1eb5bec3dbfa26349fd8 · sha256:7eaf97ddc591028f… · /containers/cna/references/1

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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