EUVD-2026-44645
GHSA-f352-4x87-wmjh
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-reachable skill runner with low complexity and no UI, but invoking script execution requires existing agent privileges (PR:L); code execution yields high confidentiality and integrity impact, no direct availability loss.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3DescriptionCVE.org
PraisonAI before 1.6.78 contains a remote code execution vulnerability in SkillTools.run_skill_script() that executes scripts without path containment validation. Attackers can supply absolute file paths to execute arbitrary scripts from any filesystem location, including those outside the intended working directory.
AnalysisAI
Path-traversal remote code execution in PraisonAI (mervinpraison/praisonai) before 1.6.78 lets an authenticated agent user abuse SkillTools.run_skill_script(), which executes skill scripts without validating that the supplied path stays inside the intended working directory. Because absolute file paths are accepted, a low-privileged attacker can point the skill runner at any executable script on the host and run it. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the ability to invoke the agent's skill-execution feature - specifically to reach SkillTools.run_skill_script() and control the script path argument - which corresponds to the CVSS PR:L requirement (the attacker must be an authenticated/authorized agent user, not anonymous). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | Signals are moderately consistent and point to a genuine but access-gated risk. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A low-privileged user of a hosted PraisonAI agent crafts a skill invocation that passes an absolute path such as '/tmp/payload.sh' (or an existing sensitive script) to run_skill_script(). Because no containment check is applied, PraisonAI executes the file with the agent process's privileges, giving the attacker arbitrary code execution on the host. … |
| Remediation | Vendor-released patch: upgrade PraisonAI to 1.6.78 or later, which introduces the path containment validation in run_skill_script(); this is the primary and recommended fix, per GHSA-c44f-37qr-gw3f. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all PraisonAI deployments, identify versions below 1.6.78, and document business dependencies and teams affected. …
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Same weakness CWE-22 – Path Traversal
View allSame technique Path Traversal
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External POC / Exploit Code
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