October 11, 2026

CVE Watchtower

← Back to CVE List

CVE-2026-20240NVD

Vulnerability Summary

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.
Severity Level
MEDIUM(6.5)
Published Date
May 20, 2026
Last Modified
Jul 23, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.40%Probability
Root Weakness (CWE)
CWE-20: Improper Input Validation ↗
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required.
CVSS v3.1 Base Metrics — Score 6.5 (MEDIUM)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Splunk Splunk >= 9.3.0 and < 9.3.12
  • Splunk Splunk >= 9.4.0 and < 9.4.11
  • Splunk Splunk >= 10.0.0 and < 10.0.5
  • Splunk Splunk >= 10.2.0 and < 10.2.2
  • Splunk Splunk Cloud Platform >= 9.3.2411 and < 9.3.2411.129
  • Splunk Splunk Cloud Platform >= 10.0.2503 and < 10.0.2503.13
  • Splunk Splunk Cloud Platform >= 10.1.2507 and < 10.1.2507.21
  • Splunk Splunk Cloud Platform >= 10.2.2510 and < 10.2.2510.11
  • Splunk Splunk Cloud Platform >= 10.3.2512 and < 10.3.2512.9
  • Splunk Splunk Cloud Platform
Patched Versions
  • Splunk Splunk 9.3.12
  • Splunk Splunk 9.4.11
  • Splunk Splunk 10.0.5
  • Splunk Splunk 10.2.2
  • Splunk Splunk Cloud Platform 9.3.2411.129
  • Splunk Splunk Cloud Platform 10.0.2503.13
  • Splunk Splunk Cloud Platform 10.1.2507.21
  • Splunk Splunk Cloud Platform 10.2.2510.11
  • Splunk Splunk Cloud Platform 10.3.2512.9
🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.
🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.

External References