Information Exposure Affecting github.com/free5gc/udr/internal/sbi/processor package, versions <1.4.2
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.
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- published24 Feb 2026
- disclosed24 Feb 2026
- creditUnknown
Introduced: 24 Feb 2026
CVE-2026-27643 (opens in a new tab)How to fix?
Upgrade github.com/free5gc/udr/internal/sbi/processor to version 1.4.2 or higher.
Overview
Affected versions of this package are vulnerable to Information Exposure via the Nnef_PfdManagement service in the NEF component. An attacker can obtain internal parsing error details by sending malformed requests, which may facilitate service fingerprinting.