🛡️ CVE-2026-35202 — panel

🟢 CVSS 2.0 — Low ✅ No Known Exploit CWE-367 NVD
2.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Pterodactyl has a database resource limit bypass via race condition in Client API

Summary

The Pterodactyl Client API has a logic flaw that lets users bypass their assigned limits for database allocations. This happens because the database locking mechanism used in the controllers is totally broken and doesn't actually lock anything.

Details

Inside DatabaseController.php, the code tries to prevent multiple databases from being created at once by calling $server->databases()->lockForUpdate(). In Laravel, this just configures a query builder but never actually sends a command to the database because it’s missing a terminal method like count() or get(). It’s basically a no-op that does nothing.

Since there’s no real lock, multiple requests hitting the endpoint at the exact same time will all see that the database count is under the limit. They all move forward to the DeployServerDatabaseService and successfully create extra resources on the physical host.

Impact

Users are able to create more databases than they are supposed to, potentially also breaking the web interface.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. Rated impact: confidentiality none, integrity none, availability low.

Weakness class

CVE-2026-35202 is classified as CWE-367: Time-of-check Time-of-use Race Condition. The state checked and the state acted upon can differ, because it may change between the two steps.

Affected software

CVE-2026-35202 is recorded against 2 packages.

  • pterodactyl/panel (fixed in 1.12.3)
  • unknown

Timeline and source

Published on 26 May 2026 and last revised on 9 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Package)

Details

Severity LOW
CVSS Score 2.0
CVSS Vector CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE CWE-367
Public Exploit ✅ No
Source NVD
Published 2026-05-26
Updated 2026-08-12
Modified 2026-06-09
Fix URL N/A

Affected Packages

Software From version Fixed in
pterodactyl/panel — 1.12.3
unknown — —

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