How severe is CVE-2022-27889?

CVE-2022-27889 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2022-27889 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-27889?

CVE-2022-27889 affects Palantir Foundry Multipass. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-27889?

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

When was CVE-2022-27889 published?

CVE-2022-27889 was published on 2022-06-14 and last updated on 2026-06-17.

CVE-2022-27889

CVE-2022-27889 is a medium-severity vulnerability in Palantir Foundry Multipass with a CVSS 3.x base score of 5.3. 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-913.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 6.4
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-913
Affected product: Palantir Foundry Multipass
Published: 2022-06-14
Last modified: 2026-06-17

Description

The Multipass service was found to have code paths that could be abused to cause a denial of service for authentication or authorization operations. A malicious attacker could perform an application-level denial of service attack, potentially causing authentication and/or authorization operations to fail for the duration of the attack. This could lead to performance degradation or login failures for customer Palantir Foundry environments. This vulnerability is resolved in Multipass 3.647.0. This issue affects: Palantir Foundry Multipass versions prior to 3.647.0.

Frequently asked questions

What is CVE-2022-27889?: The Multipass service was found to have code paths that could be abused to cause a denial of service for authentication or authorization operations. A malicious attacker could perform an application-level denial of service attack, potentially causing authentication and/or authorization operations to fail for the duration of the attack. This could lead to performance degradation or login failures for customer Palantir Foundry environments. This vulnerability is resolved in Multipass 3.647.0. This issue affects: Palantir Foundry Multipass versions prior to 3.647.0.
How severe is CVE-2022-27889?: CVE-2022-27889 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2022-27889 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-27889?: CVE-2022-27889 affects Palantir Foundry Multipass. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-27889?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-27889 published?: CVE-2022-27889 was published on 2022-06-14 and last updated on 2026-06-17.

References

https://github.com/palantir/security-bulletins/blob/main/PLTRSEC-2022-02.md

Affected products (1)

cpe:2.3:a:palantir:foundry_multipass:*:*:*:*:*:*:*:*

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