CVE-2026-8744: Denial of Service in Open5GS
CVE-2026-8744 is a medium-severity vulnerability in Open5GS versions up to 2. 7. 7 affecting the NRF component's functions ogs_sbi_subscription_data_add and ogs_sbi_nf_service_add. The flaw allows a remote attacker to cause a denial of service by manipulating these functions. The vulnerability has been publicly disclosed, and a patch identified by commit 819db11a08b9736a3576c4f99ceb28f7eb99523a is available to remediate the issue.
AI Analysis
Technical Summary
This vulnerability exists in Open5GS, an open-source 5G core network implementation, specifically in the NRF component's functions ogs_sbi_subscription_data_add and ogs_sbi_nf_service_add within /lib/sbi/context.c. Improper handling in these functions can be exploited remotely to trigger a denial of service condition. The issue affects Open5GS versions 2.7.0 through 2.7.7. A patch has been committed to address the vulnerability.
Potential Impact
Successful exploitation results in denial of service, potentially disrupting the availability of the affected Open5GS NRF component. This could impact network functions relying on NRF for service registration and subscription data management. No evidence of privilege escalation or data confidentiality/integrity impact is indicated.
Mitigation Recommendations
A patch is available for this vulnerability as identified by commit 819db11a08b9736a3576c4f99ceb28f7eb99523a. Users of Open5GS versions 2.7.0 through 2.7.7 should apply this patch promptly to remediate the issue. No vendor advisory was provided, so verify patch availability from the official Open5GS repository or trusted sources.
CVE-2026-8744: Denial of Service in Open5GS
Description
CVE-2026-8744 is a medium-severity vulnerability in Open5GS versions up to 2. 7. 7 affecting the NRF component's functions ogs_sbi_subscription_data_add and ogs_sbi_nf_service_add. The flaw allows a remote attacker to cause a denial of service by manipulating these functions. The vulnerability has been publicly disclosed, and a patch identified by commit 819db11a08b9736a3576c4f99ceb28f7eb99523a is available to remediate the issue.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability exists in Open5GS, an open-source 5G core network implementation, specifically in the NRF component's functions ogs_sbi_subscription_data_add and ogs_sbi_nf_service_add within /lib/sbi/context.c. Improper handling in these functions can be exploited remotely to trigger a denial of service condition. The issue affects Open5GS versions 2.7.0 through 2.7.7. A patch has been committed to address the vulnerability.
Potential Impact
Successful exploitation results in denial of service, potentially disrupting the availability of the affected Open5GS NRF component. This could impact network functions relying on NRF for service registration and subscription data management. No evidence of privilege escalation or data confidentiality/integrity impact is indicated.
Mitigation Recommendations
A patch is available for this vulnerability as identified by commit 819db11a08b9736a3576c4f99ceb28f7eb99523a. Users of Open5GS versions 2.7.0 through 2.7.7 should apply this patch promptly to remediate the issue. No vendor advisory was provided, so verify patch availability from the official Open5GS repository or trusted sources.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-05-16T12:38:26.906Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a098c27ec166c07b0b40aa0
Added to database: 5/17/2026, 9:36:39 AM
Last enriched: 5/17/2026, 9:51:35 AM
Last updated: 5/17/2026, 10:43:07 AM
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.