Possibility for anyone to add a stack with existing tasks on anyone's board in Nextcloud Deck
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
Nextcloud Deck is a Kanban-style project & personal management tool for Nextcloud. In versions prior to 1.4.8, 1.5.6, and 1.6.1, an authenticated user can move stacks with cards from their own board to a board of another user. The Nextcloud Deck app contains a patch for this issue in versions 1.4.8, 1.5.6, and 1.6.1. There are no known currently-known workarounds available.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA security-advisories (nextcloud) Fixed in 1.4.8, 1.5.6
Timeline
- 2026-10-02 Threatist record created from CVE-2022-29159
References
More nextcloud Deck vulnerabilities
- TI-2023-08718 Nextcloud Deck card vulnerable to data leak to unauthorized users via reference preview cache CVSS 3.1MEDIUM 5.8
- TI-2022-08716 Error in deleting deck cards attachment reveals the full application path in Nextcloud Deck CVSS 3.1MEDIUM 4.3
- TI-2021-16610 Missing permission check on Deck API CVSS 3.1HIGH 8.1
- TI-2020-06600 Improper access control in Nextcloud Deck CVSS 3.1HIGH 8.0
- TI-2021-05774 Information disclosure in Nextcloud Deck CVSS 3.1MEDIUM 6.5
- TI-2021-15506 Circle can be accessed by non-Circle members in Nextcloud Deck CVSS 3.1MEDIUM 6.5
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences