Is CVE-2022-27891 actively exploited?

No active exploitation of CVE-2022-27891 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-27891 be exploited remotely?

Yes. CVE-2022-27891 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-27891?

CVE-2022-27891 has a CVSS score of 5.3 (MEDIUM).

HOME VULNERABILITIESCVE-2022-27891

MEDIUM

CVE-2022-27891

CWE-200Published: February 16, 2023· Updated: Jun 17, 2026

5.3

CVSS v3.1

Official Description

Palantir Gotham included an unauthenticated endpoint that listed all active usernames on the stack with an active session. The affected services have been patched and automatically deployed to all Apollo-managed Gotham instances. It is highly recommended that customers upgrade all affected services to the latest version. This issue affects: Palantir Gotham versions prior to 103.30221005.0.

NVD Source

Technical Analysis

CVE-2022-27891 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.