Open5GS Shared NF-profile nnrf-handler.c denial of service
Published May 30, 2026
5.3
MEDIUMCVSS 4.0
EPSS 0.31%
Description
A vulnerability was identified in Open5GS up to 2.7.7. This affects an unknown part in the library lib/sbi/nnrf-handler.c of the component Shared NF-profile Parser. Such manipulation leads to denial of service. The attack can be launched remotely. The exploit is publicly available and might be used. It is advisable to implement a patch to correct this issue.
Affected products
-
- Version 2.7.0StatusaffectedConstraints-
- Version 2.7.1StatusaffectedConstraints-
- Version 2.7.2StatusaffectedConstraints-
- Version 2.7.3StatusaffectedConstraints-
- Version 2.7.4StatusaffectedConstraints-
- Version 2.7.5StatusaffectedConstraints-
- Version 2.7.6StatusaffectedConstraints-
- Version 2.7.7StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
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
1 other source (NVD) ▾
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
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
1 other source (NVD) ▾
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C
1 other source (NVD) ▾
AV:N/AC:L/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Jun 3, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
Score over time
May-Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 0.31% (0.00309) | 21.56th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.31% (0.00309) | 22.32th | v5 (v2026.06.15) |
| May 30, 2026 | 0.06% (0.00057) | 18.18th | v4 (v2025.03.14) |
References (7)
- https://github.com/open5gs/open5gs/ product
- https://github.com/open5gs/open5gs/issues/4469 exploitissue-tracking
- https://github.com/open5gs/open5gs/issues/4469#issuecomment-4389805398 exploitissue-tracking
- https://github.com/open5gs/open5gs/pull/4527 exploitissue-trackingpatch
- https://vuldb.com/submit/818583 exploitthird-party-advisory
- https://vuldb.com/vuln/367293 vdb-entry
- https://vuldb.com/vuln/367293/cti signaturepermissions-required
| Link | Providers | Tags |
|---|---|---|
| https://github.com/open5gs/open5gs/ | product | |
| https://github.com/open5gs/open5gs/issues/4469 | exploitissue-tracking | |
| https://github.com/open5gs/open5gs/issues/4469#issuecomment-4389805398 | exploitissue-tracking | |
| https://github.com/open5gs/open5gs/pull/4527 | exploitissue-trackingpatch | |
| https://vuldb.com/submit/818583 | exploitthird-party-advisory | |
| https://vuldb.com/vuln/367293 | vdb-entry | |
| https://vuldb.com/vuln/367293/cti | signaturepermissions-required |
Change history (0)
No recorded changes yet.