CVE-2022-27897: Palantir Gotham included an endpoint that would log arbitrary sized zip files.

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-02-16 · updated 2026-06-17
Weakness: CWE-20

Description

Palantir Gotham versions prior to 3.22.11.2 included an unauthenticated endpoint that would load portions of maliciously crafted zip files to memory. An attacker could repeatedly upload a malicious zip file, which would allow them to exhaust memory resources on the dispatch server.

Affected products

Palantir Gotham: before 3.22.11.2 — fixed in 3.22.11.2

How to fix

Upgrade to a fixed version: Palantir Gotham 3.22.11.2. Check the vendor advisory for mitigations.

References

https://github.com/palantir/security-bulletins/blob/main/PLTRSEC-2022-12.md
https://github.com/palantir/security-bulletins/blob/main/PLTRSEC-2022-12.md

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