CVE-2026-8744
CVE-2026-8744 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% (36th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-30690
- Weakness: CWE-404
- Affected product: Open5gs
- Published:
- Last modified:
Description
A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function ogs_sbi_subscription_data_add/ogs_sbi_nf_service_add in the library /lib/sbi/context.c of the component NRF. Executing a manipulation can lead to denial of service. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. This patch is called 819db11a08b9736a3576c4f99ceb28f7eb99523a. A patch should be applied to remediate this issue.
Frequently asked questions
- What is CVE-2026-8744?
- A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function ogs_sbi_subscription_data_add/ogs_sbi_nf_service_add in the library /lib/sbi/context.c of the component NRF. Executing a manipulation can lead to denial of service. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. This patch is called 819db11a08b9736a3576c4f99ceb28f7eb99523a. A patch should be applied to remediate this issue.
- How severe is CVE-2026-8744?
- CVE-2026-8744 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-2026-8744 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-8744?
- CVE-2026-8744 affects Open5gs. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-8744?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-8744 have an EU (EUVD) identifier?
- Yes. CVE-2026-8744 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30690.
- When was CVE-2026-8744 published?
- CVE-2026-8744 was published on 2026-05-17 and last updated on 2026-06-17.
References
- https://github.com/open5gs/open5gs/
- https://github.com/open5gs/open5gs/commit/819db11a08b9736a3576c4f99ceb28f7eb99523a
- https://github.com/open5gs/open5gs/issues/4465
- https://github.com/open5gs/open5gs/issues/4466
- https://github.com/open5gs/open5gs/pull/4534
- https://vuldb.com/submit/817029
- https://vuldb.com/submit/817030
- https://vuldb.com/vuln/364331
- https://vuldb.com/vuln/364331/cti
Affected products (1)
- cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
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