CVE-2026-8319: Ai agents Remote Code Execution Vulnerability

MODERATE
Advisory Identifier: GHSA-ch88-c67q-65r9
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CVSS 5.3
CWE-400
Published
Advisory Summary

CVE-2026-8319 is a MODERATE (CVSS 5.3) remote code execution vulnerability (CWE-400: Uncontrolled Resource Consumption) affecting Ai agents libraries in the PyPI ecosystem. The issue involves aiwaves-cn agents is vulnerable to resource consumption in the recall_relevant_memories_to_working_memory function. Remediation is available in the latest vendor maintenance releases.

CVE-2026-8319 at a Glance

CVE Identifier CVE-2026-8319
GHSA Identifier GHSA-ch88-c67q-65r9
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-400: Uncontrolled Resource Consumption
Affected Product Ai agents
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 5.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity None (I:N)
Availability Low (A:L)

How to Fix CVE-2026-8319

To remediate this vulnerability, upgrade all affected Ai agents dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

ai-agents fixed: Latest secure release 
pip install ai-agents>=Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

pip show ai-agents

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2026-8319, inspect your installed packages using pip:

pip show ai-agents

Analyze the terminal output to locate any version of Ai agents in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: The pip show ai-agents command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-400: Uncontrolled Resource Consumption, where the product does not properly control the allocation and maintenance of a limited resource. In Ai agents, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

A weakness has been identified in aiwaves-cn agents up to e8c4e3c2d19739d3dff59e577d1c97090cc15f59. Affected by this issue is the function recall_relevant_memories_to_working_memory of the file core/cat/looking_glass/stray_cat.py of the component cheshire_cat_core. This manipulation causes resource consumption. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The project was informed of the problem early through an issue report but has not responded yet.

CVE-2026-8319 Affected Ai agents Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
ai-agents
pypi/ai-agents
PyPI
≤ 0.0.52

References

NVD — CVE-2026-8319 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-8319
Ai agents Source Repository REPOSITORY
https://github.com/aiwaves-cn/agents/issues/219
Ai agents Source Repository REPOSITORY
https://github.com/aiwaves-cn/agents
vuldb.com/submit/811274 WEB
https://vuldb.com/submit/811274
vuldb.com/vuln/362606 WEB
https://vuldb.com/vuln/362606
vuldb.com/vuln/362606/cti WEB
https://vuldb.com/vuln/362606/cti

Frequently Asked Questions

What is CVE-2026-8319?
CVE-2026-8319 is a security vulnerability in Ai agents involving aiwaves-cn agents is vulnerable to resource consumption in the recall_relevant_memories_to_working_memory function under CWE-400: Uncontrolled Resource Consumption.
Which Ai agents versions are affected?
Affected versions include releases prior to current release patches across affected packages: ai-agents.
What version fixes CVE-2026-8319?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is ai-agents affected?
Yes, ai-agents is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2026-8319?
CVE-2026-8319 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
What CWE is associated with CVE-2026-8319?
CVE-2026-8319 is classified under CWE-400: Uncontrolled Resource Consumption (The product does not properly control the allocation and maintenance of a limited resource.).
How can I check PyPI dependencies for CVE-2026-8319?
Run the dependency tree command: 'pip show ai-agents'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
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  "schema_version" : "1.4.0",
  "id" : "GHSA-ch88-c67q-65r9",
  "modified" : "2026-05-18T16:52:52Z",
  "published" : "2026-05-11T21:31:36Z",
  "aliases" : [ "CVE-2026-8319" ],
  "summary" : "aiwaves-cn agents is vulnerable to resource consumption in the recall_relevant_memories_to_working_memory function",
  "details" : "A weakness has been identified in aiwaves-cn agents up to e8c4e3c2d19739d3dff59e577d1c97090cc15f59. Affected by this issue is the function recall_relevant_memories_to_working_memory of the file core/cat/looking_glass/stray_cat.py of the component cheshire_cat_core. This manipulation causes resource consumption. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The project was informed of the problem early through an issue report but has not responded yet.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
  }, {
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  } ],
  "affected" : [ {
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      "name" : "ai-agents"
    },
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      "type" : "ECOSYSTEM",
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      } ]
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  "references" : [ {
    "type" : "ADVISORY",
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  }, {
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  }, {
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  }, {
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  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/vuln/362606/cti"
  } ],
  "database_specific" : {
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    "nvd_published_at" : "2026-05-11T20:25:48Z"
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}