# CVE-2026-8319: aiwaves-cn agents cheshire_cat_core stray_cat.py recall_relevant_memories_to_working_memory resource consumption

> Remote attackers can cause resource consumption in the cheshire_cat_core component of aiwaves-cn agents, leading to denial of service.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 11 May 2026
- **Updated:** 12 May 2026
- **Also known as:** GHSA-ch88-c67q-65r9, PYSEC-2026-2334

## What is CVE-2026-8319?

CVE-2026-8319 is a medium-severity denial of service vulnerability in aiwaves-cn agents, published on 11 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

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.

Weakness: CWE-404 (Improper Resource Shutdown or Release), CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2026-8319?

3 open source packages ship an affected version, including ai-agents.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `ai-agents` | PyPI | All versions to 0.0.52 | None |
| `ai-agents` | PyPI | All versions to 0.0.52 | None |
| `ai-agents` | PyPI | All versions to 0.0.52 | None |

## How do I fix CVE-2026-8319?

No fix has been published for CVE-2026-8319 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-8319 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8319 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-8319 and fix it if it is affected.

What it is: CVE-2026-8319 is a medium-severity denial of service vulnerability in aiwaves-cn agents, published on 11 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8319 exists.

Affected packages and fixed versions:
- ai-agents (PyPI): affected all versions up to 0.0.52; no fix listed
- ai-agents (PyPI): affected all versions up to 0.0.52; no fix listed
- ai-agents (PyPI): affected all versions up to 0.0.52; no fix listed

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-8319/ (Markdown: https://insights.sbomify.com/CVE-2026-8319/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-8319
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-8319
- OSV: https://osv.dev/vulnerability/CVE-2026-8319

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-8319/
Summaries are generated and may contain mistakes; the official description above is the record.