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Vulnerability Details :

CVE-2026-8288

Summary
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
Published At-11 May, 2026 | 12:15
Updated At-11 May, 2026 | 12:15
Rejected At-
Credits

Open5GS SMF gsm-handler.c denial of service

A vulnerability was determined in Open5GS up to 2.7.7. This affects the function gsm_handle_pdu_session_modification_qos_flow_descriptions of the file src/smf/gsm-handler.c of the component SMF. Executing a manipulation of the argument n1SmMsg can lead to denial of service. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulDB
Assigner Org ID:1af790b2-7ee1-4545-860a-a788eba489b5
Published At:11 May, 2026 | 12:15
Updated At:11 May, 2026 | 12:15
Rejected At:
▼CVE Numbering Authority (CNA)
Open5GS SMF gsm-handler.c denial of service

A vulnerability was determined in Open5GS up to 2.7.7. This affects the function gsm_handle_pdu_session_modification_qos_flow_descriptions of the file src/smf/gsm-handler.c of the component SMF. Executing a manipulation of the argument n1SmMsg can lead to denial of service. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.

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:C
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:C
2.04.0N/A
AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:C
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:C
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:C
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:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
FrankLin (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-05-11 00:00:00
VulDB entry created2026-05-11 02:00:00
VulDB entry last update2026-05-11 10:07:27
Event: Advisory disclosed
Date: 2026-05-11 00:00:00
Event: VulDB entry created
Date: 2026-05-11 02:00:00
Event: VulDB entry last update
Date: 2026-05-11 10:07:27
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/vuln/362585
vdb-entry
technical-description
https://vuldb.com/vuln/362585/cti
signature
permissions-required
https://vuldb.com/submit/808489
third-party-advisory
https://github.com/open5gs/open5gs/issues/4452
exploit
issue-tracking
https://github.com/open5gs/open5gs/pull/4513
issue-tracking
patch
https://github.com/open5gs/open5gs/
product
Hyperlink: https://vuldb.com/vuln/362585
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/362585/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/submit/808489
Resource:
third-party-advisory
Hyperlink: https://github.com/open5gs/open5gs/issues/4452
Resource:
exploit
issue-tracking
Hyperlink: https://github.com/open5gs/open5gs/pull/4513
Resource:
issue-tracking
patch
Hyperlink: https://github.com/open5gs/open5gs/
Resource:
product
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cna@vuldb.com
Published At:11 May, 2026 | 13:16
Updated At:11 May, 2026 | 13:16

A vulnerability was determined in Open5GS up to 2.7.7. This affects the function gsm_handle_pdu_session_modification_qos_flow_descriptions of the file src/smf/gsm-handler.c of the component SMF. Executing a manipulation of the argument n1SmMsg can lead to denial of service. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.

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
Primary3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
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: Primary
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: 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
Weaknesses
CWE IDTypeSource
CWE-404Primarycna@vuldb.com
CWE ID: CWE-404
Type: Primary
Source: cna@vuldb.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/open5gs/open5gs/cna@vuldb.com
N/A
https://github.com/open5gs/open5gs/issues/4452cna@vuldb.com
N/A
https://github.com/open5gs/open5gs/pull/4513cna@vuldb.com
N/A
https://vuldb.com/submit/808489cna@vuldb.com
N/A
https://vuldb.com/vuln/362585cna@vuldb.com
N/A
https://vuldb.com/vuln/362585/cticna@vuldb.com
N/A
Hyperlink: https://github.com/open5gs/open5gs/
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://github.com/open5gs/open5gs/issues/4452
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://github.com/open5gs/open5gs/pull/4513
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/submit/808489
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/vuln/362585
Source: cna@vuldb.com
Resource: N/A
Hyperlink: https://vuldb.com/vuln/362585/cti
Source: cna@vuldb.com
Resource: N/A

Change History

0
Information is not available yet

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