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CVE Vulnerability Details :
CVE-2026-8121
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-08 May, 2026 | 00:30
Updated At-08 May, 2026 | 14:12
Rejected At-
▼CVE Numbering Authority (CNA)
Open5GS NSSF conv.c ogs_sbi_parse_plmn_list denial of service

A vulnerability has been found in Open5GS up to 2.7.7. The impacted element is the function ogs_sbi_parse_plmn_list in the library /lib/sbi/conv.c of the component NSSF. The manipulation leads to denial of service. The attack is possible to be carried out remotely. The exploit has been disclosed to the public 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
  • NSSF
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
FrankyLin (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-05-07 00:00:00
VulDB entry created2026-05-07 02:00:00
VulDB entry last update2026-05-07 19:02:02
Event: Advisory disclosed
Date: 2026-05-07 00:00:00
Event: VulDB entry created
Date: 2026-05-07 02:00:00
Event: VulDB entry last update
Date: 2026-05-07 19:02:02
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/vuln/361908
vdb-entry
technical-description
https://vuldb.com/vuln/361908/cti
signature
permissions-required
https://vuldb.com/submit/808422
third-party-advisory
https://vuldb.com/submit/808424
third-party-advisory
https://github.com/open5gs/open5gs/issues/4433
exploit
issue-tracking
https://github.com/open5gs/open5gs/
product
Hyperlink: https://vuldb.com/vuln/361908
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/361908/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/808422
Resource:
third-party-advisory
Hyperlink: https://vuldb.com/submit/808424
Resource:
third-party-advisory
Hyperlink: https://github.com/open5gs/open5gs/issues/4433
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