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CVE Vulnerability Details :
CVE-2026-8249
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-10 May, 2026 | 22:30
Updated At-10 May, 2026 | 22:30
Rejected At-
▼CVE Numbering Authority (CNA)
Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qos denial of service

A flaw has been found in Open5GS up to 2.7.7. The impacted element is the function update_authorized_pcc_rule_and_qos of the file /src/smf/npcf-handler.c of the component SMF. This manipulation causes denial of service. Remote exploitation of the attack is possible. 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
  • SMF
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
LinZiyu (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-05-10 00:00:00
VulDB entry created2026-05-10 02:00:00
VulDB entry last update2026-05-10 16:45:17
Event: Advisory disclosed
Date: 2026-05-10 00:00:00
Event: VulDB entry created
Date: 2026-05-10 02:00:00
Event: VulDB entry last update
Date: 2026-05-10 16:45:17
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/vuln/362546
vdb-entry
technical-description
https://vuldb.com/vuln/362546/cti
signature
permissions-required
https://vuldb.com/submit/808473
third-party-advisory
https://github.com/open5gs/open5gs/issues/4443
exploit
issue-tracking
https://github.com/open5gs/open5gs/
product
Hyperlink: https://vuldb.com/vuln/362546
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/362546/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/808473
Resource:
third-party-advisory
Hyperlink: https://github.com/open5gs/open5gs/issues/4443
Resource:
exploit
issue-tracking
Hyperlink: https://github.com/open5gs/open5gs/
Resource:
product
Details not found