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Noroxi
CVE-2026-20144· NVD / CVE Program· CNA cisco

Sensitive Information Disclosure in ''_internal'' index in Splunk Enterprise

Noroxi assessment

Priority: Monitor (action score 19/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.36% (FIRST EPSS).
  • Anyone who can reach it over the internet can trigger it. Administrator privileges are required. No user action is required. No special conditions are required; it is repeatable.
  • According to the record, no fixed version is available yet.

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

In Splunk Enterprise versions below 10.2.0, 10.0.2, 9.4.7, 9.3.8, and 9.2.11, and Splunk Cloud Platform versions below 10.2.2510.0, 10.1.2507.11, 10.0.2503.9, and 9.3.2411.120, a user of a Splunk Search Head Cluster (SHC) deployment who holds a role with access to the the Splunk _internal index could view the Security Assertion Markup Language (SAML) configurations for Attribute query requests (AQRs) or Authentication extensions in plain text within the conf.log file, depending on which feature is configured.

MediumCVSS 4.9 · v3.1—No exploit No fix recorded
Published
Feb 18, 2026
Updated
Jun 17, 2026
EPSS
0.4% · 28th percentile
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Action score

19

Monitor

Low priority for now.

CVSS
19 / 40 · 4.9 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
4.9
CNA · cisco
6.8
1.9 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

VendorProduct
splunksplunk
splunksplunk cloud platform

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • splunk splunk9.2.0 and later · before 9.2.11
  • splunk splunk9.3.0 and later · before 9.3.8
  • splunk splunk9.4.0 and later · before 9.4.7
  • splunk splunk10.0.0 and later · before 10.0.2
  • splunk splunk cloud platform9.3.2411 and later · before 9.3.2411.120
  • splunk splunk cloud platform10.0.2503 and later · before 10.0.2503.9
  • splunk splunk cloud platform10.1.2507 and later · before 10.1.2507.11

Versions reported by the vendor

Affected version ranges reported by the assigning authority (cisco). Independent of NVD's CPE analysis and usually ahead of it.

  • Splunk Splunk Cloud Platform

    • 10.1.2507 and later · before 10.1.2507.11affected
    • 10.0.2503 and later · before 10.0.2503.9affected
    • 9.3.2411 and later · before 9.3.2411.120affected
  • Splunk Splunk Enterprise

    • 10.0 and later · before 10.0.2affected
    • 9.4 and later · before 9.4.7affected
    • 9.3 and later · before 9.3.8affected
    • 9.2 and later · before 9.2.11affected

Other highest-scoring records for the same primary product.

  • CVE-2026-20253Unauthenticated Arbitrary File Creation and Truncation in a PostgreSQL Sidecar Service Endpoint in Splunk EnterpriseKEV
    98Now
  • CVE-2023-32707‘edit_user’ Capability Privilege Escalation
    59Plan
  • CVE-2018-11409Splunk through 7.0.1 allows information disclosure by appending __raw/services/server/info/server-info?output_mode=json to a query, as demon
    50Plan
  • CVE-2026-20251Remote Code Execution through Deserialization of Untrusted Data in Splunk Secure Gateway
    45Plan
  • CVE-2023-32714Path Traversal in Splunk App for Lookup File Editing
    45Plan
  • CVE-2022-32158Splunk Enterprise deployment servers allow client publishing of forwarder bundles
    40Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-2016521 days apartSensitive Information Disclosure in MongoClient logging channel in Splunk Enterprise
    26Monitor
  • CVE-2026-2023991 days apartSensitive Information Disclosure through Log Files in Splunk Enterprise
    26Monitor
  • CVE-2025-20231329 days apartSensitive Information Disclosure in Splunk Secure Gateway App
    22Monitor
  • CVE-2026-201380 days apartSensitive Information Disclosure in "_internal" index in Splunk Enterprise
    19Monitor
  • CVE-2026-201420 days apartSensitive Information Disclosure in "_internal" index in Splunk Enterprise
    19Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records