Uncontrolled resource consumption in NocoDB signup endpoint
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-400.
Summary
NocoDB up to 2026.07.0 is affected. The PublicApiLimiterGuard component on the /auth/user/signup endpoint allocates resources without limits or throttling (CWE-770). A remote, unauthenticated attacker can drive up resource use, but the attack is considered highly complex and difficult to exploit.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
A vulnerability was determined in NocoDB up to 2026.07.0. This vulnerability affects the function UserRefreshToken.deleteAllUserToken of the file /auth/user/signup of the component PublicApiLimiterGuard. This manipulation causes allocation of resources. The attack is possible to be carried out remotely. The attack is considered to have high complexity. It is stated that the exploitability is difficult. Code-verified absence of in-app rate limiting on the unauthenticated signup and password-forgot endpoints and per-request refresh/OAuth token invalidation, but the vendor documents the pass-through limiter as intentional design. The vendor deleted the GitHub issue for this vulnerability without any explanation. Afterwards the vendor was contacted early about this disclosure via email but did not respond in any way.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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
The sources list no fixed version for NocoDB.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Timeline
- 2026-10-26 Threatist record created from CVE-2026-116120
- 2026-10-26 CISA SSVC decision points changed
- 2026-10-26 Priority changed: MEDIUM → LOW
- 2026-10-27 Alias added: GHSA-xfjr-cjmw-vhcw
Sources
- CVE-2026-116120 · CVE Program
- CVE-2026-116120 · NVD
- FIRST EPSS
- GHSA-xfjr-cjmw-vhcw · GitHub Advisory Database · CC BY 4.0
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