CVE-2026-20239Sensitive Information Disclosure through Log Files in Splunk Enterprise
Updated under an hour ago ()
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It affects Splunk Enterprise and 3 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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.
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-532
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- cisco
- NVD analysis
- Analyzed
- Record last updated
- May 20, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Splunk Splunk Enterprise splunk:enterprise (from the name) | from 10.2 before 10.2.2; from 10.0 before 10.0.5 | CNA record |
Splunk Splunk Cloud Platform splunk:cloud_platform (from the name) | from 10.3.2512 before 10.3.2512.8; from 10.2.2510 before 10.2.2510.11; from 10.1.2507 before 10.1.2507.21; from 10.0.2503 before 10.0.2503.13 | CNA record |
splunk splunk splunk:splunk | from 10.0.0 before 10.0.5; from 10.2.0 before 10.2.2 | NVD |
splunk splunk_cloud_platform splunk:splunk_cloud_platform | from 10.0.2503 before 10.0.2503.13; from 10.1.2507 before 10.1.2507.21; from 10.2.2510 before 10.2.2510.11; from 10.3.2512 before 10.3.2512.8 | NVD |
References
- https://advisory.splunk.com/advisories/SVD-2026-0503vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.