CVE-2026-105835
High
Description
PLANKA 2.2.0 through 2.2.1 fails to limit incorrect TOTP codes submitted to POST /api/access-tokens/verify-totp, allowing attackers to brute force two-factor authentication codes. Attackers who know a user's password can reuse the ten-minute pending token to guess six-digit codes until one succeeds, obtaining a full access token.
SeverityHigh
CVSS7.4
Exploit probability—
ProductPlanka
PublishedOct 6, 2026
First seenOct 6, 2026
Weakness typeCWE-307CWE-307
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| planka planka | 2.2.0 ≤ v ≤ 2.2.1 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.