CVE-2026-76267 | BDVDB-2026-384133 Detail

SplunkSplunk Enterprise

Description#

In Splunk Enterprise versions below 10.4.3, 10.2.7, and 10.0.10, a user that holds a role with the read_o11y_content capability could inject forged entries into the app log through the Representational State Transfer (REST) API. The vulnerability is possible because Splunk App for Splunk O11y Cloud does not neutralize user-supplied SignalFlow content before writing it to the app log. Splunk Enterprise versions 9.4.x are not affected.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

CWE-117 The software does not neutralize or incorrectly neutralizes output that is written to logs.

References#

https://advisory.splunk.com/advisories/SVD-2026-1001

Exploit#

No public exploit known

History#

Version 12026-10-07Record published in the CVE List.
Version 22026-10-08Most recent update recorded in the CVE List.

Published

Published: 2026-10-07
Last modified: 2026-10-08

Vendor information

Vendor: Splunk
Product: Splunk Enterprise

All Splunk vulnerabilities

Score

4.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 13.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 10.4 and < 10.4.3
Fixed
10.4.3
Vulnerable
>= 10.2 and < 10.2.7
Fixed
10.2.7
Vulnerable
>= 10.0 and < 10.0.10
Fixed
10.0.10

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.3 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).