How severe is CVE-2026-34936?

CVE-2026-34936 has a CVSS 3.x base score of 7.7, 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 none, and availability none.

Is CVE-2026-34936 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34936?

CVE-2026-34936 affects Praison Praisonai. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34936?

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-2026-34936 have an EU (EUVD) identifier?

Yes. CVE-2026-34936 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18915.

When was CVE-2026-34936 published?

CVE-2026-34936 was published on 2026-04-03 and last updated on 2026-06-17.

CVE-2026-34936

CVE-2026-34936 is a high-severity vulnerability in Praison Praisonai with a CVSS 3.x base score of 7.7. 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-918.

Key facts

Severity: High (CVSS 3.x base score 7.7)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18915
Weakness: CWE-918
Affected product: Praison Praisonai
Published: 2026-04-03
Last modified: 2026-06-17

Description

PraisonAI is a multi-agent teams system. Prior to version 4.5.90, passthrough() and apassthrough() in praisonai accept a caller-controlled api_base parameter that is concatenated with endpoint and passed directly to httpx.Client.request() when the litellm primary path raises AttributeError. No URL scheme validation, private IP filtering, or domain allowlist is applied, allowing requests to any host reachable from the server. This issue has been patched in version 4.5.90.

Frequently asked questions

What is CVE-2026-34936?: PraisonAI is a multi-agent teams system. Prior to version 4.5.90, passthrough() and apassthrough() in praisonai accept a caller-controlled api_base parameter that is concatenated with endpoint and passed directly to httpx.Client.request() when the litellm primary path raises AttributeError. No URL scheme validation, private IP filtering, or domain allowlist is applied, allowing requests to any host reachable from the server. This issue has been patched in version 4.5.90.
How severe is CVE-2026-34936?: CVE-2026-34936 has a CVSS 3.x base score of 7.7, 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 none, and availability none.
Is CVE-2026-34936 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34936?: CVE-2026-34936 affects Praison Praisonai. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34936?: 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-2026-34936 have an EU (EUVD) identifier?: Yes. CVE-2026-34936 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18915.
When was CVE-2026-34936 published?: CVE-2026-34936 was published on 2026-04-03 and last updated on 2026-06-17.

References

https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-x6m9-gxvr-7jpv

Affected products (1)

cpe:2.3:a:praison:praisonai:*:*:*:*:*:*:*:*

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