How severe is CVE-2022-27894?

CVE-2022-27894 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-27894 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-27894?

CVE-2022-27894 affects Palantir Foundry Blobster. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-27894?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-27894 published?

CVE-2022-27894 was published on 2022-11-04 and last updated on 2026-06-17.

CVE-2022-27894

CVE-2022-27894 is a medium-severity vulnerability in Palantir Foundry Blobster with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Palantir Foundry Blobster
Published: 2022-11-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-27894?: 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.
How severe is CVE-2022-27894?: CVE-2022-27894 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-27894 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-27894?: CVE-2022-27894 affects Palantir Foundry Blobster. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-27894?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-27894 published?: CVE-2022-27894 was published on 2022-11-04 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:palantir:foundry_blobster:*:*:*:*:*:*:*:*

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