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CVE Vulnerability Details :
CVE-2026-7518
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-01 May, 2026 | 00:30
Updated At-01 May, 2026 | 21:25
Rejected At-
▼CVE Numbering Authority (CNA)
Open5GS AMF SBI Endpoint sdmsubscription-notify amf_namf_callback_handle_sdm_data_change_notify denial of service

A flaw has been found in Open5GS up to 2.7.7. This issue affects the function amf_namf_callback_handle_sdm_data_change_notify of the file /namf-callback/v1/{id}/sdmsubscription-notify of the component AMF SBI Endpoint. This manipulation of the argument changeItem.newValue causes denial of service. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected Products
Vendor
n/a
Product
Open5GS
CPEs
  • cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
Modules
  • AMF SBI Endpoint
Versions
Affected
  • 2.7.0
  • 2.7.1
  • 2.7.2
  • 2.7.3
  • 2.7.4
  • 2.7.5
  • 2.7.6
  • 2.7.7
Problem Types
TypeCWE IDDescription
CWECWE-404Denial of Service
Type: CWE
CWE ID: CWE-404
Description: Denial of Service
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
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
3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
3.04.3MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
2.04.0N/A
AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
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
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/E:P/RL:X/RC:R
Version: 3.0
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
Version: 2.0
Base score: 4.0
Base severity: N/A
Vector:
AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
ZiyuLin (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-04-30 00:00:00
VulDB entry created2026-04-30 02:00:00
VulDB entry last update2026-04-30 18:31:11
Event: Advisory disclosed
Date: 2026-04-30 00:00:00
Event: VulDB entry created
Date: 2026-04-30 02:00:00
Event: VulDB entry last update
Date: 2026-04-30 18:31:11
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/vuln/360332
vdb-entry
technical-description
https://vuldb.com/vuln/360332/cti
signature
permissions-required
https://vuldb.com/submit/804023
third-party-advisory
https://github.com/open5gs/open5gs/issues/4395
exploit
issue-tracking
https://github.com/open5gs/open5gs/
product
Hyperlink: https://vuldb.com/vuln/360332
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/360332/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/804023
Resource:
third-party-advisory
Hyperlink: https://github.com/open5gs/open5gs/issues/4395
Resource:
exploit
issue-tracking
Hyperlink: https://github.com/open5gs/open5gs/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found