How severe is CVE-2026-27941?

CVE-2026-27941 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-27941 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27941?

CVE-2026-27941 affects Openlit Openlit Software Development Kit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-27941?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-27941 have an EU (EUVD) identifier?

Yes. CVE-2026-27941 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8804.

When was CVE-2026-27941 published?

CVE-2026-27941 was published on 2026-02-26 and last updated on 2026-06-17.

CVE-2026-27941

CVE-2026-27941 is a critical-severity vulnerability in Openlit Openlit Software Development Kit with a CVSS 3.x base score of 9.9. 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-829.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-8804
Weakness: CWE-829
Affected product: Openlit Openlit Software Development Kit
Published: 2026-02-26
Last modified: 2026-06-17

Description

OpenLIT is an open source platform for AI engineering. Prior to version 1.37.1, several GitHub Actions workflows in OpenLIT's GitHub repository use the `pull_request_target` event while checking out and executing untrusted code from forked pull requests. These workflows run with the security context of the base repository, including a write-privileged `GITHUB_TOKEN` and numerous sensitive secrets (API keys, database/vector store tokens, and a Google Cloud service account key). Version 1.37.1 contains a fix.

Frequently asked questions

What is CVE-2026-27941?: OpenLIT is an open source platform for AI engineering. Prior to version 1.37.1, several GitHub Actions workflows in OpenLIT's GitHub repository use the `pull_request_target` event while checking out and executing untrusted code from forked pull requests. These workflows run with the security context of the base repository, including a write-privileged `GITHUB_TOKEN` and numerous sensitive secrets (API keys, database/vector store tokens, and a Google Cloud service account key). Version 1.37.1 contains a fix.
How severe is CVE-2026-27941?: CVE-2026-27941 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-27941 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27941?: CVE-2026-27941 affects Openlit Openlit Software Development Kit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-27941?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-27941 have an EU (EUVD) identifier?: Yes. CVE-2026-27941 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8804.
When was CVE-2026-27941 published?: CVE-2026-27941 was published on 2026-02-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openlit:openlit_software_development_kit:*:*:*:*:*:python:*:*

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