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Fencer Intel
medium 6.5

CVE-2026-20164 json

Sensitive Information Disclosure through Improper Access Control in Splunk Enterprise

published 7mo ago modified 4mo ago also EUVD-2026-11230

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits
0
none known

Summary

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.

Patch / fix

  • Splunk Splunk Enterprise 9.3.10, 9.4.9, 10.0.3
  • Splunk Splunk Cloud Platform 9.3.2411.123, 10.0.2503.11, 10.1.2507.16, 10.2.2510.5

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
7mo ago

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Splunk Splunk Enterprise
  • Splunk Splunk Cloud Platform

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.