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CWE-345: Insufficient Verification of Data Authenticity
Weakness Summary
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.
- Canonical source: MITRE CWE-345 (opens in a new tab)
- Published Atomicorp CVE observations: 8
- Distinct affected products in those observations: 8
- Active Atomicorp rules associated with this weakness: 21
Atomicorp Research Context
Atomicorp has published CVE-specific research observations associated with this weakness category. Each linked CVE page states whether the tested request was detected or blocked and is the authoritative customer-facing finding.
The CVEs and rules shown here are selected published examples, not a complete list of Atomicorp protections. If a CWE, CVE, or rule is absent from this page, no conclusion should be drawn about whether Atomicorp protects against that weakness or attack method.
A CWE describes a class of software weakness. It does not identify one exploit request, and association with a CWE does not mean that every vulnerability or exploitation path in that category is detected or blocked.
Selected Published CVE Observations
| CVE | Vulnerability | Product | Atomicorp finding | Observed rules |
|---|---|---|---|---|
| CVE-2026-53513 | Better Auth: Server-side request forgery via unvalidated OIDC endpoints on @better-auth/sso provider registration | better-auth/sso | Attack Blocked by Atomicorp | 337109 , 337110 , 340162 , 340163 , 344360 , 398021 , 398022 |
| CVE-2026-48105 | Arc Enterprise cluster FSM applyRegisterFile accepts arbitrary file paths without validation, enabling cluster-wide path | arc | Attack Blocked by Atomicorp | 340007 , 344360 , 390709 |
| CVE-2026-63094 | SigNoz < 0.134.0 SSO OAuth State Manipulation Session Token Theft | signoz | Attack Blocked by Atomicorp | 344365 |
| CVE-2026-53728 | Medplum - Improper Validation of Redirect URI in External Auth Callback allows Authorization Code Leakage | medplum | Attack Blocked by Atomicorp | 340162 , 340163 , 344365 |
| CVE-2026-12724 | Kirki < 6.0.12 - Unauthenticated HTML Injection in Password Reset Email via kirki-forgot-password | Kirki | Attack Blocked by Atomicorp | 333140 , 333141 , 340095 , 340147 , 340148 , 341256 , 342259 , 346755 , 350147 , 350148 |
| CVE-2026-73657 | Trigger.dev: Cross-tenant payload poisoning via packet write + replay | trigger.dev | Attack Blocked by Atomicorp | 347009 |
| CVE-2026-17011 | Nexter Blocks < 5.0.2 - Contributor+ Stored CSS Injection | Nexter Blocks | Attack Blocked by Atomicorp | 333140 , 333141 , 340095 , 340147 , 340148 , 341256 , 342259 , 346755 , 350147 , 350148 |
| CVE-2026-10827 | Spectra (Ultimate Addons for Gutenberg) < 2.20.0 - Contributor+ Stored CSS Injection via Block Attributes | Spectra Legacy | Attack Blocked by Atomicorp | 333140 , 333141 , 340095 , 340147 , 340148 , 341256 , 346755 , 350147 , 350148 |
Associated Atomicorp WAF Rules
| Rule | Status | Behavior |
|---|---|---|
| 333140 | Active | disruptive (deny) |
| 333141 | Active | disruptive (deny) |
| 337109 | Active | disruptive (deny) |
| 337110 | Active | disruptive (deny) |
| 340007 | Active | disruptive (deny) |
| 340095 | Active | disruptive (deny) |
| 340147 | Active | disruptive (deny) |
| 340148 | Active | disruptive (deny) |
| 340162 | Active | disruptive (deny) |
| 340163 | Active | disruptive (deny) |
| 341256 | Active | disruptive (deny) |
| 342259 | Active | disruptive (deny) |
| 344360 | Active | disruptive (deny) |
| 344365 | Active | disruptive (deny) |
| 346755 | Active | disruptive (deny) |
| 347009 | Active | disruptive (deny) |
| 350147 | Active | disruptive (deny) |
| 350148 | Active | disruptive (deny) |
| 390709 | Active | disruptive (deny) |
| 398021 | Active | disruptive (deny) |
| 398022 | Active | disruptive (deny) |
Related MITRE CAPEC Context
MITRE associates this CWE with the following attack-pattern entries. These taxonomy relationships are context, not Atomicorp coverage claims:
CAPEC-111 (opens in a new tab) , CAPEC-141 (opens in a new tab) , CAPEC-142 (opens in a new tab) , CAPEC-148 (opens in a new tab) , CAPEC-218 (opens in a new tab) , CAPEC-384 (opens in a new tab) , CAPEC-385 (opens in a new tab) , CAPEC-386 (opens in a new tab) , CAPEC-387 (opens in a new tab) , CAPEC-388 (opens in a new tab) , CAPEC-665 (opens in a new tab) , CAPEC-701 (opens in a new tab)