Detections
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SCA: security update for pydantic-ai-harness (GHSA-3589-pxp7-3gj8)

medium Tenable Cloud Security Plugin ID 477267

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Pydantic AI Harness before 0.59.0 fails to enforce UsageLimits.tool_calls_limit on nested tool calls
 dispatched from run_code in the CodeMode toolset. Users or prompt-injected content can make the sandboxed
 program invoke tools via run_nested_call() without check_before_tool_call, exceeding operator limits on
 costly or side-effecting tools. (CVE-2026-114386)

Solution

Update the pydantic-ai-harness library and its related packages to version 0.59.0 or later.

See Also

https://github.com/advisories/GHSA-3589-pxp7-3gj8

Plugin Details

Severity: Medium

ID: 477267

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 10/24/2026

Updated: 10/24/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.51

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:P/A:P

CVSS Score Source: CVE-2026-114386

CVSS v3

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 4.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.3

Threat Score: 1.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/21/2026

Vulnerability Publication Date: 10/21/2026

Reference Information

CVE: CVE-2026-114386

cwe: CWE-770