CVE-2026-6604 modelscope agentscope Cloud Metadata Endpoint _openai_tools.py openai_audio_to_text server-side request forgery
Remote attackers can exploit server-side request forgery in the audio-to-text tool to access internal cloud metadata endpoints.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-6604?
CVE-2026-6604 is a medium-severity server-side request forgery vulnerability in modelscope agentscope, published on 20 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was identified in modelscope agentscope up to 1.0.18. Affected by this issue is the function _parse_url/prepare_image/openai_audio_to_text of the file src/agentscope/tool/_multi_modality/_openai_tools.py of the component Cloud Metadata Endpoint. Such manipulation of the argument image_url/audio_file_url leads to server-side request forgery. The attack may be performed from remote. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-918
Which versions are affected by CVE-2026-6604?
3 open source packages ship an affected version, including agentscope.
| Package | Affected | Fixed in |
|---|---|---|
agentscope PyPI | All versions to 1.0.18 | None |
agentscope PyPI | All versions to 1.0.18 | None |
agentscope PyPI | All versions to 1.0.18 | None |
How do I fix CVE-2026-6604?
No fix has been published for CVE-2026-6604 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-6604 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-6604 exists.
Sources
Also known as GHSA-659x-hm75-hpv7, PYSEC-2026-2329.