CVE-2022-27894: The Foundry Blobster service was found to have a cross-site scripting (XSS) vulnerability.

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-04 · updated 2026-06-17
Weakness: CWE-79

Description

The Foundry Blobster service was found to have a cross-site scripting (XSS) vulnerability that could have allowed an attacker with access to Foundry to launch attacks against other users. This vulnerability is resolved in Blobster 3.228.0.

Affected products

Palantir Foundry Blobster Service: from 3.207.0 before 3.227.0 — fixed in 3.227.0

How to fix

Upgrade to a fixed version: Palantir Foundry Blobster Service 3.227.0. Check the vendor advisory for mitigations.

References

https://github.com/palantir/security-bulletins/blob/main/PLTRSEC-2022-04.md
https://github.com/palantir/security-bulletins/blob/main/PLTRSEC-2022-04.md

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