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Technology4h 5m ago
Splunk published an advisory for CVE-2026-20253, detailing a pre-authentication remote code execution vulnerability in the PostgreSQL Sidecar Service.
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Who
Splunk, watchTowr Labs
What
Splunk published an advisory for CVE-2026-20253, detailing a pre-authentication remote code execution vulnerability in the PostgreSQL Sidecar Service.
When
Fri, 12 Jun 2026 20:37:11 GMT · 4h 5m ago
Where
not specified ·
Why
The vulnerability exists because the PostgreSQL sidecar service endpoint lacks authentication controls, allowing any network-reachable user to invoke file operations without credentials.
The Frontline Impact
How this affects you
Splunk Enterprise on AWS is vulnerable by default, and attackers can create and truncate files, potentially leading to remote code execution as the 'splunk' user on affected systems.
Story chain
6 events in this thread- Technology4h 5m agoSplunk published an advisory for CVE-2026-20253, detailing a pre-authentication Remote Code Execution (RCE) vulnerability in its PostgreSQL Sidecar Service.Open article
- Technology4h 5m agoSplunk published an advisory for CVE-2026-20253, a pre-authentication RCE vulnerability in Splunk Enterprise's PostgreSQL Sidecar Service.Open article
- Technology4h 5m agoSplunk published an advisory for CVE-2026-20253, a pre-authentication remote code execution vulnerability in the PostgreSQL Sidecar Service of Splunk Enterprise.Open article
- Technology4h 5m agoSplunk published an advisory for CVE-2026-20253, a pre-authentication Remote Code Execution vulnerability in Splunk Enterprise.Open article
- Technology4h 5m agoSplunk published an advisory on June 10th regarding CVE-2026-20253, a pre-authentication remote code execution vulnerability in its Enterprise product's PostgreSQL Sidecar Service.Open article
- Currently Reading4h 5m agoSplunk published an advisory for CVE-2026-20253, detailing a pre-authentication remote code execution vulnerability in the PostgreSQL Sidecar Service.