Is CVE-2026-1586 in the CISA KEV catalog?

No. CVE-2026-1586 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-1586?

CVE-2026-1586 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2026-1586?

CVE-2026-1586 has an EPSS score of 0.51% (40th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-1586?

Upgrade open5gs to 2.7.6 or later.

CVE & CISA-KEV Catalog

CVE-2026-1586

MEDIUM

5.3

CVSS v3

NVD

Description

A flaw has been found in Open5GS up to 2.7.5. Impacted is the function ogs_gtp2_f_teid_to_ip of the file /sgwc/s11-handler.c of the component SGWC. Executing a manipulation can lead to denial of service. The attack may be performed from remote. The exploit has been published and may be used. It is advisable to implement a patch to correct this issue. The issue report is flagged as already-fixed.

CWE-404

How to fix

Remediation Available

open5gsNVD

Affected:< 2.7.6Fixed in:2.7.6CVE-2026-1586derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploit Intelligence

0.51%probability of exploitation in 30 days

40thpercentile

Low risk: more likely to be exploited than 40% of all known CVEs.

References

Exploit4

Third-Party Advisory1

vuldb.com

VDB Entry1

vuldb.com

Other references1

github.com

Related Vulnerabilities

Other CWE-404 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-44267	Medium	6.5	77%	-	Fix
CVE-2018-8120	High	7.0	74%	KEV + Ransom	-
CVE-2018-8210	High	7.8	25%	-	-
CVE-2018-8639	High	7.8	22%	KEV + Ransom	-
CVE-2023-3206	Medium	5.3	19%	-	-
CVE-2018-8450	High	8.8	16%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-02-23.