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CVE-2026-20164

Sensitive Information Disclosure through Improper Access Control in Splunk Enterprise

MEDIUM
6.5
CVSS Score
Published: March 11, 2026 at 04:18 PM UTC
Updated: June 17, 2026 at 10:17 AM UTC
2 products affected across 1 vendorSplunkSplunk Cloud Platform

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In Splunk Enterprise versions below 10.2.0, 10.0.3, 9.4.9, and 9.3.10, and Splunk Cloud Platform versions below 10.2.2510.5, 10.1.2507.16, 10.0.2503.11, and 9.3.2411.123, a low-privileged user that does not hold the "admin" or "power" Splunk roles could access the `/splunkd/__raw/servicesNS/-/-/configs/conf-passwords` REST API endpoint, which exposes the hashed or plaintext password values that are stored in the passwords.conf configuration file due to improper access control. This vulnerability could allow for the unauthorized disclosure of sensitive credentials.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Splunk· Splunk
95%
10.0 ≤ v < 10.0.310.0.0 ≤ v < 10.0.39.3 ≤ v < 9.3.109.3.0 ≤ v < 9.3.109.4 ≤ v < 9.4.99.4.0 ≤ v < 9.4.910.09.39.4
Affected range stops below 10.0.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.3.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.4.9, so it looks safe — our inference, not a vendor statement
Splunk Cloud Platform· Splunk
95%
10.0.2503 ≤ v < 10.0.2503.1110.1.2507 ≤ v < 10.1.2507.1610.2.2510 ≤ v < 10.2.2510.59.3.2411 ≤ v < 9.3.2411.12310.0.250310.1.250710.2.25109.3.2411
Affected range stops below 10.0.2503.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.1.2507.16, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.2.2510.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.3.2411.123, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://advisory.splunk.com/advisories/SVD-2026-0303

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMcisco
Vector?

Quick Info

StatusANALYZED
CWE
CWE-200

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