PatchTheCVECVE-2026-76366: In Splunk SOAR versions below 8.6.0, a user with a valid Splunk SOAR account could use Representational State
CVE-2026-76366 is a medium-severity flaw (CVSS 6.5) affecting soar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In Splunk SOAR versions below 8.6.0, a user with a valid Splunk SOAR account could use Representational State Transfer (REST) API filtering on playbook runs to recover session tokens that compromise all data available to the affected user. The information disclosure is possible because Splunk SOAR does not block REST API filters from matching values that responses otherwise hide. For more information see REST Run Playbook (https://help.splunk.com
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 68%) |
| CISA exploited list | No |
| Weakness | CWE-200 |
| Published | 2026-08-19 |
| Last modified | 2026-08-21 |
Last updated 2026-08-21 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-76366?
soar: upgrade to 8.6.0. Exact commands for each OS are on this page.
Is CVE-2026-76366 being exploited?
CVE-2026-76366 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-76366 affect?
CVE-2026-76366 affects soar. Severity is medium (CVSS 6.5). In Splunk SOAR versions below 8.6.0, a user with a valid Splunk SOAR account could use Representational State Transfer (REST) API filtering on playbook runs to recover session tokens that compromise all data available to the affected user.
How urgent is CVE-2026-76366?
Priority 31/100. No elevated risk signals yet.
Software pages
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