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CVE-2026-20240

Denial of Service through coldToFrozen.sh Script in Splunk Enterprise PUBLISHED

Description (CNA)

In Splunk Enterprise versions below 10.2.2, 10.0.5, 9.4.11, and 9.3.12, and Splunk Cloud Platform versions below 10.4.2603.1, 10.3.2512.9, 10.2.2510.11, 10.1.2507.21, 10.0.2503.13, and 9.3.2411.129, a low-privileged user that does not hold the ‘admin’ or ‘power’ Splunk roles could cause a Denial of Service by exploiting the `coldToFrozen.sh` script in the `splunk_archiver` app to rename critical Splunk directories, making the instance non-functional.<br><br>The Denial of Service is possible because of missing input validation in the `coldToFrozen.sh` script, which accepts arbitrary file paths and renames them without restricting operations to safe directories.

Affected (CNA)

Vendor / productVersions
Splunk / Splunk Enterpriseaffected 10.2 before 10.2.2; affected 10.0 before 10.0.5; affected 9.4 before 9.4.11; affected 9.3 before 9.3.12
Splunk / Splunk Cloud Platformaffected 10.4.2603 before 10.4.2603.1; affected 10.3.2512 before 10.3.2512.9; affected 10.2.2510 before 10.2.2510.11; affected 10.1.2507 before 10.1.2507.21; affected 10.0.2503 before 10.0.2503.13; affected 9.3.2411 before 9.3.2411.129

CWE

CWE-20

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.