CVE-2026-82587
Last modified
CVE-2026-82587 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function amf_namf_comm_decode_ue_mm_context_list of the file src/amf/namf-handler.c of the component AMF. EPSS estimates a 0.31% chance of exploitation in the next 30 days.
Description
A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function amf_namf_comm_decode_ue_mm_context_list of the file src/amf/namf-handler.c of the component AMF. This manipulation of the argument ueContext.mmContextList[*].allowedNssai causes memory corruption. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.8.0 is able to resolve this issue. Patch name: abf8a836564b966b5141110fc25ed413c4f17522. It is recommended to upgrade the affected component.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| — | Open5GS | 2.7.0; 2.7.1; 2.7.2; 2.7.3; 2.7.4; 2.7.5; 2.7.6; 2.7.7 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-82587?
How severe is CVE-2026-82587?
How do I fix CVE-2026-82587?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-82562### Summary When `qs.parse` is called with `comma: true` …3.7
- CVE-2026-82564Authorization Bypass Through User-Controlled Key vulnerabili…7.1
- CVE-2026-8257A vulnerability was detected in WebAssembly Binaryen up to 1…5.5
- CVE-2026-82579Loop with Unreachable Exit Condition (Infinite Loop) vulnera…6
- CVE-2026-8258A flaw has been found in Squirrel up to 3.2. Impacted is the…5.3
- CVE-2026-82580Generation of Error Message Containing Sensitive Information…5.3
- CVE-2026-82588A vulnerability was identified in Open5GS up to 2.7.7. This …4.3
- CVE-2026-82589A security flaw has been discovered in Open5GS up to 2.7.7. …4.3
- CVE-2026-8259A vulnerability has been found in Tenda AC6 2.0/15.03.06.23.…7.2
- CVE-2026-82590A weakness has been identified in Open5GS up to 2.7.7. The a…4.3
- CVE-2026-82591A security vulnerability has been detected in Open Asset Imp…5.3
- CVE-2026-82592A vulnerability was detected in D-Link DIR-825M 1.1.8. This …9.9
Are you affected by CVE-2026-82587?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST