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CVE-2026-20298

Sensitive Information Disclosure through the storage/passwords REST Endpoint in Splunk Enterprise

No known exploitation. EPSS puts it in the 24th percentile. Fixed versions are out.

CVSS 3.15.3MediumEPSS percentile24th0.3% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix3 products8 fixed builds listed below

Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Splunk EnterpriseAffected: ≥ 10.4, < 10.4.1Upgrade to: 10.4.1Affected: ≥ 10.2, < 10.2.5Upgrade to: 10.2.5Affected: ≥ 10.0, < 10.0.8Upgrade to: 10.0.8Affected: ≥ 9.4, < 9.4.13Upgrade to: 9.4.13Stated by: CVE record
  • Splunk Cloud PlatformAffected: ≥ 10.5.2605, < 10.5.2605.0Upgrade to: 10.5.2605.0Affected: ≥ 10.4.2604, < 10.4.2604.6Upgrade to: 10.4.2604.6Affected: ≥ 10.3.2512, < 10.3.2512.15Upgrade to: 10.3.2512.15Affected: ≥ 10.2.2510, < 10.2.2510.18Upgrade to: 10.2.2510.18 + 1 more branchStated by: CVE record
  • SplunkAffected: ≥ 9.4.0, < 9.4.13Upgrade to: 9.4.13Stated by: NVD

Versions as the sources state them. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

In Splunk Enterprise versions below 10.4.1, 10.2.5, 10.0.8, and 9.4.13, and Splunk Cloud Platform versions below 10.5.2605.0, 10.4.2604.6, 10.3.2512.15, 10.2.2510.18, and 10.1.2507.24, a low-privileged user that does not hold the 'admin' or 'power' Splunk roles could view stored credential hashes when they access the `/servicesNS/-/-/storage/passwords` REST endpoint through the `|rest` Search Processing Language (SPL) command.<br><br>The exposure happens because the `|rest` SPL command returns the `encr_password` field in the results of the `/servicesNS/-/-/storage/passwords` REST endpoint.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS24th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.3% chance of exploitation activity in the next 30 days, which ranks it in the 24th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

8 events over 9 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. OpenVAS check added
  3. Record updated
  4. Publishedweakness classified, att&ck mapped, record updated

Affected products

And 1 more affected product. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Scored 5.3 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
  • Privileges Required LowRequires basic user-level privileges
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity NoneNo integrity impact
  • Availability NoneNo availability impact

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

In the news

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