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CVE-2026-20239

In Splunk Enterprise versions below 10.2.2 and 10.0.5, and Splunk Cloud Platform versions below 10.3.2512.8, 10.2.2510.11, 10.1.2507.21, and 10.0.2503.13, a user with a role that has access to the `_internal` index could view session cookies and response bodies that contain sensitive data.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b915a208d5fb5168fa0836e5ed7f902462c1dfcb554c6b53521842109a6e3d36
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"Splunk Cloud Platform","vendor":"Splunk","versions":[{"lessThan":"10.3.2512.8","status":"affected","version":"10.3.2512","versionType":"custom"},{"lessThan":"10.2.2510.11","status":"affected","version":"10.2.2510","versionType":"custom"},{"lessThan":"10.1.2507.21","status":"affected","version":"10.1.2507","versionType":"custom"},{"lessThan":"10.0.2503.13","status":"affected","version":"10.0.2503","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:43bf7bf09faa402bd27b6580271b9cea91939858669047029d9ee0c236be8997 · sha256:d6b8f9998e6afe54… · /containers/cna/affected/1

{"product":"Splunk Enterprise","vendor":"Splunk","versions":[{"lessThan":"10.2.2","status":"affected","version":"10.2","versionType":"custom"},{"lessThan":"10.0.5","status":"affected","version":"10.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:43bf7bf09faa402bd27b6580271b9cea91939858669047029d9ee0c236be8997 · sha256:d6b8f9998e6afe54… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"product":"Splunk Cloud Platform","vendor":"Splunk","versions":[{"lessThan":"10.3.2512.8","status":"affected","version":"10.3.2512","versionType":"custom"},{"lessThan":"10.2.2510.11","status":"affected","version":"10.2.2510","versionType":"custom"},{"lessThan":"10.1.2507.21","status":"affected","version":"10.1.2507","versionType":"custom"},{"lessThan":"10.0.2503.13","status":"affected","version":"10.0.2503","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:43bf7bf09faa402bd27b6580271b9cea91939858669047029d9ee0c236be8997 · sha256:d6b8f9998e6afe54… · /containers/cna/affected/1
{"product":"Splunk Enterprise","vendor":"Splunk","versions":[{"lessThan":"10.2.2","status":"affected","version":"10.2","versionType":"custom"},{"lessThan":"10.0.5","status":"affected","version":"10.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:43bf7bf09faa402bd27b6580271b9cea91939858669047029d9ee0c236be8997 · sha256:d6b8f9998e6afe54… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/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:v2:43bf7bf09faa402bd27b6580271b9cea91939858669047029d9ee0c236be8997 · sha256:d6b8f9998e6afe54… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-532","description":"Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.","lang":"en","type":"cwe"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:43bf7bf09faa402bd27b6580271b9cea91939858669047029d9ee0c236be8997 · sha256:d6b8f9998e6afe54… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://advisory.splunk.com/advisories/SVD-2026-0503"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:43bf7bf09faa402bd27b6580271b9cea91939858669047029d9ee0c236be8997 · sha256:d6b8f9998e6afe54… · /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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