Improper Check for Unusual or Exceptional Conditions Affecting github.com/free5gc/udr/internal/sbi package, versions <1.4.4
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMFREE5GCUDRINTERNALSBI-16352240
- published3 May 2026
- disclosed22 Apr 2026
- creditGiancannella
Introduced: 22 Apr 2026
CVE-2026-40343 (opens in a new tab)How to fix?
Upgrade github.com/free5gc/udr/internal/sbi to version 1.4.4 or higher.
Overview
Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions via the PolicyDataSubsToNotifyPost process. An attacker can create unintended notification subscriptions with invalid, empty, or partially processed input by sending malformed or incomplete requests, as the handler continues processing even after encountering errors during request body retrieval or deserialization.