October 13, 2026

CVE Watchtower

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CVE-2026-20251NVD

Vulnerability Summary

In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, Splunk Cloud Platform versions below 10.3.2512.12, 10.2.2510.14, 10.1.2507.22, and 9.3.2411.132, and Splunk Secure Gateway versions below 3.10.6, 3.9.20, and 3.8.67, a low-privileged user that does not hold the 'admin' or 'power' Splunk roles could perform a Remote Code Execution (RCE) through the Splunk Secure Gateway app.<br><br>The Remote Code Execution is possible because of unsafe deserialization of App Key Value Store (KV Store) data through the ‘jsonpickle’ Python library, which reconstructs arbitrary Python objects from specially crafted JavaScript Object Notation (JSON) without adequate validation.
Severity Level
HIGH(8.8)
Published Date
Jun 10, 2026
Last Modified
Jun 15, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.58%Probability
Root Weakness (CWE)
CWE-502: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics — Score 8.8 (HIGH)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Splunk Splunk >= 9.3.0 and < 9.3.13
  • Splunk Splunk >= 9.4.0 and < 9.4.12
  • Splunk Splunk >= 10.0.0 and < 10.0.7
  • Splunk Splunk >= 10.2.0 and < 10.2.4
  • Splunk Splunk Cloud Platform >= 9.3.2411 and < 9.3.2411.132
  • Splunk Splunk Cloud Platform >= 10.1.2507 and < 10.1.2507.22
  • Splunk Splunk Cloud Platform >= 10.2.2510 and < 10.2.2510.14
  • Splunk Splunk Cloud Platform >= 10.3.2512 and < 10.3.2512.12
  • Splunk Splunk Secure Gateway >= 3.8.0 and < 3.8.67
  • Splunk Splunk Secure Gateway >= 3.9.0 and < 3.9.20
  • Splunk Splunk Secure Gateway >= 3.10.0 and < 3.10.6
Patched Versions
  • Splunk Splunk 9.3.13
  • Splunk Splunk 9.4.12
  • Splunk Splunk 10.0.7
  • Splunk Splunk 10.2.4
  • Splunk Splunk Cloud Platform 9.3.2411.132
  • Splunk Splunk Cloud Platform 10.1.2507.22
  • Splunk Splunk Cloud Platform 10.2.2510.14
  • Splunk Splunk Cloud Platform 10.3.2512.12
  • Splunk Splunk Secure Gateway 3.8.67
  • Splunk Splunk Secure Gateway 3.9.20
  • Splunk Splunk Secure Gateway 3.10.6
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🚫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