How severe is CVE-2026-39305?

CVE-2026-39305 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2026-39305 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-39305?

CVE-2026-39305 affects Praison Praisonai. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-39305?

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-2026-39305 have an EU (EUVD) identifier?

Yes. CVE-2026-39305 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19796.

When was CVE-2026-39305 published?

CVE-2026-39305 was published on 2026-04-07 and last updated on 2026-06-17.

CVE-2026-39305

CVE-2026-39305 is a critical-severity vulnerability in Praison Praisonai with a CVSS 3.x base score of 9.0. 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: Critical (CVSS 3.x base score 9.0)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19796
Weakness: CWE-22
Affected product: Praison Praisonai
Published: 2026-04-07
Last modified: 2026-06-17

Description

PraisonAI is a multi-agent teams system. Prior to 1.5.113, the Action Orchestrator feature contains a Path Traversal vulnerability that allows an attacker (or compromised agent) to write to arbitrary files outside of the configured workspace directory. By supplying relative path segments (../) in the target path, malicious actions can overwrite sensitive system files or drop executable payloads on the host. This vulnerability is fixed in 1.5.113.

Frequently asked questions

What is CVE-2026-39305?: PraisonAI is a multi-agent teams system. Prior to 1.5.113, the Action Orchestrator feature contains a Path Traversal vulnerability that allows an attacker (or compromised agent) to write to arbitrary files outside of the configured workspace directory. By supplying relative path segments (../) in the target path, malicious actions can overwrite sensitive system files or drop executable payloads on the host. This vulnerability is fixed in 1.5.113.
How severe is CVE-2026-39305?: CVE-2026-39305 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2026-39305 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-39305?: CVE-2026-39305 affects Praison Praisonai. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-39305?: 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-2026-39305 have an EU (EUVD) identifier?: Yes. CVE-2026-39305 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19796.
When was CVE-2026-39305 published?: CVE-2026-39305 was published on 2026-04-07 and last updated on 2026-06-17.

References

https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-jfxc-v5g9-38xr

Affected products (1)

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

More vulnerabilities in Praison Praisonai

CVE-2026-39888 — Critical (CVSS 9.9): PraisonAI is a multi-agent teams system. Prior to 1.5.115, execute_code() in praisonaiagents.tools.python_tools…
CVE-2026-41497 — Critical (CVSS 9.8): PraisonAI is a multi-agent teams system. Prior to version 4.6.9, the fix for PraisonAI's MCP command handling does not…
CVE-2026-40315 — Critical (CVSS 9.8): PraisonAI is a multi-agent teams system. Prior to 4.5.133, there is an SQL identifier injection vulnerability in…
CVE-2026-40288 — Critical (CVSS 9.8): PraisonAI is a multi-agent teams system. In versions below 4.5.139 of PraisonAI and 1.5.140 of praisonaiagents, the…
CVE-2026-39890 — Critical (CVSS 9.8): PraisonAI is a multi-agent teams system. Prior to 4.5.115, the AgentService.loadAgentFromFile method uses the js-yaml…
CVE-2026-34935 — Critical (CVSS 9.8): PraisonAI is a multi-agent teams system. From version 4.5.15 to before version 4.5.69, the --mcp CLI argument is passed…

All CVEs affecting Praison Praisonai →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →