How severe is CVE-2026-39981?

CVE-2026-39981 has a CVSS 3.x base score of 8.8, rated high 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-2026-39981 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-39981?

CVE-2026-39981 affects Agixt. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-39981?

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

Does CVE-2026-39981 have an EU (EUVD) identifier?

Yes. CVE-2026-39981 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20974.

When was CVE-2026-39981 published?

CVE-2026-39981 was published on 2026-04-09 and last updated on 2026-06-17.

CVE-2026-39981

CVE-2026-39981 is a high-severity vulnerability in Agixt with a CVSS 3.x base score of 8.8. 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-22.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20974
Weakness: CWE-22
Affected product: Agixt
Published: 2026-04-09
Last modified: 2026-06-17

Description

AGiXT is a dynamic AI Agent Automation Platform. Prior to 1.9.2, the safe_join() function in the essential_abilities extension fails to validate that resolved file paths remain within the designated agent workspace. An authenticated attacker can use directory traversal sequences to read, write, or delete arbitrary files on the server hosting the AGiXT instance. This vulnerability is fixed in 1.9.2.

Frequently asked questions

What is CVE-2026-39981?: AGiXT is a dynamic AI Agent Automation Platform. Prior to 1.9.2, the safe_join() function in the essential_abilities extension fails to validate that resolved file paths remain within the designated agent workspace. An authenticated attacker can use directory traversal sequences to read, write, or delete arbitrary files on the server hosting the AGiXT instance. This vulnerability is fixed in 1.9.2.
How severe is CVE-2026-39981?: CVE-2026-39981 has a CVSS 3.x base score of 8.8, rated high 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-2026-39981 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-39981?: CVE-2026-39981 affects Agixt. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-39981?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-39981 have an EU (EUVD) identifier?: Yes. CVE-2026-39981 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20974.
When was CVE-2026-39981 published?: CVE-2026-39981 was published on 2026-04-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:agixt:agixt:*:*:*:*:*:*:*:*

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