Information Exposure Affecting github.com/free5gc/udm/internal/sbi package, versions <1.4.5
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMFREE5GCUDMINTERNALSBI-16624681
- published10 May 2026
- disclosed7 May 2026
- creditGiancannella
Introduced: 7 May 2026
CVE-2026-42459 (opens in a new tab)How to fix?
Upgrade github.com/free5gc/udm/internal/sbi to version 1.4.5 or higher.
Overview
Affected versions of this package are vulnerable to Information Exposure via improper validation of the supi path parameter in multiple GET handlers. An attacker can obtain internal infrastructure details, including hostnames, ports, and API paths, by injecting control characters into the supi parameter and triggering error responses that disclose sensitive information.