How severe is CVE-2026-8122?

CVE-2026-8122 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-8122 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-8122?

CVE-2026-8122 affects Open5gs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-8122?

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

Does CVE-2026-8122 have an EU (EUVD) identifier?

Yes. CVE-2026-8122 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28480.

When was CVE-2026-8122 published?

CVE-2026-8122 was published on 2026-05-08 and last updated on 2026-06-17.

CVE-2026-8122

CVE-2026-8122 is a medium-severity vulnerability in Open5gs with a CVSS 3.x base score of 4.3. 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-404.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
CVSS v4: 2.1
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28480
Weakness: CWE-404
Affected product: Open5gs
Published: 2026-05-08
Last modified: 2026-06-17

Description

A vulnerability was found in Open5GS up to 2.7.7. This affects the function ogs_sbi_discovery_option_add_service_names in the library /lib/sbi/message.c of the component NSSF. The manipulation results in denial of service. The attack may be performed from remote. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2026-8122?: A vulnerability was found in Open5GS up to 2.7.7. This affects the function ogs_sbi_discovery_option_add_service_names in the library /lib/sbi/message.c of the component NSSF. The manipulation results in denial of service. The attack may be performed from remote. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2026-8122?: CVE-2026-8122 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-8122 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-8122?: CVE-2026-8122 affects Open5gs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-8122?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-8122 have an EU (EUVD) identifier?: Yes. CVE-2026-8122 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28480.
When was CVE-2026-8122 published?: CVE-2026-8122 was published on 2026-05-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

More vulnerabilities in Open5gs

CVE-2024-40130 — Critical (CVSS 9.8): open5gs v2.6.4 is vulnerable to Buffer Overflow. via /lib/core/abts.c.
CVE-2024-40129 — Critical (CVSS 9.8): Open5GS v2.6.4 is vulnerable to Buffer Overflow. via /lib/pfcp/context.c.
CVE-2021-28122 — Critical (CVSS 9.8): A request-validation issue was discovered in Open5GS 2.1.3 through 2.2.x before 2.2.1. The WebUI component allows an…
CVE-2021-25863 — High (CVSS 8.8): Open5GS 2.1.3 listens on 0.0.0.0:3000 and has a default password of 1423 for the admin account.
CVE-2024-24429 — High (CVSS 8.6): A reachable assertion in the nas_eps_send_emm_to_esm function of Open5GS <= 2.6.4 allows attackers to cause a Denial of…
CVE-2024-34235 — High (CVSS 8.6): Open5GS MME versions <= 2.6.4 contains an assertion that can be remotely triggered via a malformed ASN.1 packet over…

All CVEs affecting Open5gs →

Other CWE-404 vulnerabilities

CVE-2023-24444 — Critical (CVSS 9.8): Jenkins OpenID Plugin 2.4 and earlier does not invalidate the previous session on login.
CVE-2024-31611 — Critical (CVSS 9.1): SeaCMS 12.9 has a file deletion vulnerability via admin_template.php.
CVE-2018-8450 — High (CVSS 8.8): A remote code execution vulnerability exists when Windows Search handles objects in memory, aka "Windows Search Remote…
CVE-2026-11317 — High (CVSS 8.7): A denial of service security issue exists in the affected product. The security issue stems from a fault occurring when…
CVE-2022-25762 — High (CVSS 8.6): If a web application sends a WebSocket message concurrently with the WebSocket connection closing when running on…
CVE-2020-26070 — High (CVSS 8.6): A vulnerability in the ingress packet processing function of Cisco IOS XR Software for Cisco ASR 9000 Series…

Browse all CWE-404 vulnerabilities →