CVE-2026-20164
CVE-2026-20164 is a medium-severity vulnerability in Splunk with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 0% (13th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-11230
- Weakness: CWE-200
- Affected product: Splunk
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-20164?
- 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.
- How severe is CVE-2026-20164?
- CVE-2026-20164 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-20164 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-20164?
- CVE-2026-20164 primarily affects Splunk. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-20164?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-20164 have an EU (EUVD) identifier?
- Yes. CVE-2026-20164 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11230.
- When was CVE-2026-20164 published?
- CVE-2026-20164 was published on 2026-03-11 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:splunk:splunk_cloud_platform:*:*:*:*:*:*:*:*
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