CVE-2022-27891

Palantir Gotham included an unauthenticated endpoint that listed all active usernames in the platform with an active session.

MEDIUM
5.3
CVSS Score
Published: February 16, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 04:37 AM UTC
1 product affected across 1 vendorGotham

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 3.22.10.4
Affected range stops below 3.22.10.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMPalantir
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200CWE-306

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