CVE-2026-7734 — Osrg GoBGP Denial of Service

CVE-2026-7734 — Osrg GoBGP Denial of Service

CVE-2026-7734 — A vulnerability has been found in osrg GoBGP up to 4.3.0. This impacts the function SRv6L3ServiceAttribute.DecodeFromBytes of the file pkg/packet/bgp/prefix_sid.go of the component SRv6 L3 Service. Such manipulation of the argument data leads to denial of service. The attack may be p

What This Means For You

  • If your environment is affected by CWE-404, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-7734 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

2 rules · 6 SIEM formats

2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

critical T1499 Impact

CVE-2026-7734 - Osrg GoBGP SRv6L3ServiceAttribute Decode Denial of Service

Sigma YAML — free preview
title: CVE-2026-7734 - Osrg GoBGP SRv6L3ServiceAttribute Decode Denial of Service
id: scw-2026-05-04-ai-1
status: experimental
level: critical
description: |
  Detects the execution of the osrg GoBGP process with command line arguments that specifically reference the vulnerable function SRv6L3ServiceAttribute.DecodeFromBytes, indicating an attempt to exploit CVE-2026-7734 for denial of service.
author: SCW Feed Engine (AI-generated)
date: 2026-05-04
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-7734/
tags:
  - attack.impact
  - attack.t1499
logsource:
    category: process_creation
detection:
  selection:
      Image|contains:
          - 'gobgp'
      CommandLine|contains:
          - 'SRv6L3ServiceAttribute.DecodeFromBytes'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-7734 vulnerability CVE-2026-7734
CWE-404 weakness CWE-404
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 04, 2026 at 09:16 UTC

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