Open5GS up to 2.7.7 NRF lib/sbi/nnrf-handler.c ogs_nnrf_nfm_handle_nf_profile denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Open5GS up to 2.7.7. The affected element is the function ogs_nnrf_nfm_handle_nf_profile of the file lib/sbi/nnrf-handler.c of the component NRF. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2026-8291. The attack may be performed from remote. In addition, an exploit is available. The pull request to fix this issue awaits acceptance.

Detailsinfo

A vulnerability was found in Open5GS up to 2.7.7 and classified as problematic. Affected by this issue is the function ogs_nnrf_nfm_handle_nf_profile of the file lib/sbi/nnrf-handler.c of the component NRF. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-8291. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1499.

The exploit is available at github.com. It is declared as proof-of-concept. The pull request to fix this issue awaits acceptance.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔒

CNA Base Score: 4.3
CNA Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/11/2026 Advisory disclosed
05/11/2026 +0 days VulDB entry created
05/18/2026 +7 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 4456
Status: Not defined
Confirmation: 🔒

CVE: CVE-2026-8291 (🔒)
GCVE (CVE): GCVE-0-2026-8291
GCVE (VulDB): GCVE-100-362588
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/11/2026 10:07
Updated: 05/18/2026 11:49
Changes: 05/11/2026 10:07 (58), 05/18/2026 11:49 (41)
Complete: 🔍
Submitter: LinJu
Cache ID: 216::103

Submitinfo

Accepted

Duplicate

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