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NVD Vulnerability Details :
CVE-2026-8746
Modified
More InfoOfficial Page
Source-cna@vuldb.com
View Known Exploited Vulnerability (KEV) details
Published At-17 May, 2026 | 11:16
Updated At-18 May, 2026 | 21:16

A security flaw has been discovered in Open5GS up to 2.7.7. Affected by this issue is the function discover_handler in the library /lib/sbi/nghttp2-server.c of the component NRF. The manipulation results in use after free. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.02.1LOW
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
Secondary3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Primary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Secondary2.04.0MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P
Type: Secondary
Version: 4.0
Base score: 2.1
Base severity: LOW
Vector:
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
Type: Secondary
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Type: Primary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 2.0
Base score: 4.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:S/C:N/I:N/A:P
CPE Matches
open5gs
open5gs
>>open5gs>>Versions up to 2.7.7(inclusive)
cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-119Secondarycna@vuldb.com
CWE-416Secondarycna@vuldb.com
CWE ID: CWE-119
Type: Secondary
Source: cna@vuldb.com
CWE ID: CWE-416
Type: Secondary
Source: cna@vuldb.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/open5gs/open5gs/cna@vuldb.com
Product
https://github.com/open5gs/open5gs/issues/4476cna@vuldb.com
Exploit
Issue Tracking
https://vuldb.com/submit/817032cna@vuldb.com
Third Party Advisory
VDB Entry
https://vuldb.com/vuln/364333cna@vuldb.com
Third Party Advisory
VDB Entry
https://vuldb.com/vuln/364333/cticna@vuldb.com
Permissions Required
VDB Entry
https://vuldb.com/submit/817032134c704f-9b21-4f2e-91b3-4a467353bcc0
Third Party Advisory
VDB Entry
Hyperlink: https://github.com/open5gs/open5gs/
Source: cna@vuldb.com
Resource:
Product
Hyperlink: https://github.com/open5gs/open5gs/issues/4476
Source: cna@vuldb.com
Resource:
Exploit
Issue Tracking
Hyperlink: https://vuldb.com/submit/817032
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://vuldb.com/vuln/364333
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://vuldb.com/vuln/364333/cti
Source: cna@vuldb.com
Resource:
Permissions Required
VDB Entry
Hyperlink: https://vuldb.com/submit/817032
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource:
Third Party Advisory
VDB Entry
Change History
0Changes found
Details not found