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Medium6.3Splunk

Medium [CVE-2023-40593] In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor

This medium-severity Splunk advisory covers CVE-2023-40593 affecting Splunk Enterprise.

CVE-2023-40593 Published Aug 30, 2023Updated by vendor Jun 17, 2026
Affected products & platforms
SplunkSplunk Enterprise
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Summary

In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor can send a malformed security assertion markup language (SAML) request to the `/saml/acs` REST endpoint which can cause a denial of service through a crash or hang of the Splunk daemon.

Affected versions
  • 9.0.6
  • 8.2.12

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation

The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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