SecuriTricks - CVE-2026-20253

Description

In Splunk Enterprise versions below 10.2.4 and 10.0.7, and Splunk Cloud Platform versions below 10.4.2604.3 and 10.2.2510.14, an unauthenticated user could create or truncate arbitrary files through a PostgreSQL sidecar service endpoint.<br><br>The vulnerability exists because the PostgreSQL sidecar service endpoint lacks authentication controls, allowing any network-reachable user to invoke file operations without credentials.

Product(s) Impacted

Vendor	Product	Versions
Splunk	Splunk Enterprise Splunk Cloud Platform	<10.2.4, <10.0.7 <10.4.2604.3, <10.2.2510.14

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-306

Missing Authentication for Critical Function

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	splunk	splunk_enterprise	<10.2.4	/	/	/	/	/	/	/
a	splunk	splunk_enterprise	<10.0.7	/	/	/	/	/	/	/
a	splunk	splunk_cloud_platform	<10.4.2604.3	/	/	/	/	/	/	/
a	splunk	splunk_cloud_platform	<10.2.2510.14	/	/	/	/	/	/	/

References

https://advisory.splunk.com/advisories/SVD-2026-0603

CVSS Score

9.8 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH

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

View Vector String

Timeline

Published: June 10, 2026, 6:16 p.m.
Last Modified: June 10, 2026, 6:36 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-20253