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Vulnerability · Published Sep 29, 2026 · Assigned by VulDB

CVE-2026-102245MODSetter SurfSense circleback Endpoint circleback_webhook_route.py missing authentication

High 7.3

In plain English

A high-severity missing authentication in SurfSense from MODSetter. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.4%top 67.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A weakness has been identified in MODSetter SurfSense up to 2.0.3. The affected element is an unknown function of the file surfsense_backend/app/routes/circleback_webhook_route.py of the component circleback Endpoint. Executing a manipulation can lead to missing authentication. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

VendorProductVersions
MODSetter SurfSense 2.0.02.0.12.0.22.0.3

Weakness: CWE-306, CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

References