How severe is CVE-2026-9299?

CVE-2026-9299 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-9299 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-9299?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-9299 have an EU (EUVD) identifier?

Yes. CVE-2026-9299 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31533.

When was CVE-2026-9299 published?

CVE-2026-9299 was published on 2026-05-23 and last updated on 2026-06-17.

CVE-2026-9299

CVE-2026-9299 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31533
Weakness: CWE-119
Published: 2026-05-23
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-9299?: 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.
How severe is CVE-2026-9299?: CVE-2026-9299 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-9299 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-9299?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-9299 have an EU (EUVD) identifier?: Yes. CVE-2026-9299 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31533.
When was CVE-2026-9299 published?: CVE-2026-9299 was published on 2026-05-23 and last updated on 2026-06-17.

References

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

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CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

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