Critical [CVE-2026-105477 +3] Vulnerabilities Resolved in Veeam Backup & Replication 13.1.2
This critical-severity Veeam advisory covers CVE-2026-105477 and CVE-2026-108140 and 2 more CVEs.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations. This bulletin covers 4 CVEs; its score, affected versions and guidance may apply to different issues within that bulletin.
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Summary
Vulnerabilities Resolved in Veeam Backup & Replication 13.1.2
KB ID: 4948
Product:
Published: 2026-10-27
Last Modified:
Veeam Software Security Commitment
Veeam® is committed to ensuring its products protect customers from potential risks. As part of that commitment, we operate a Vulnerability Disclosure Program (VDP) for all Veeam products and perform extensive internal code audits.
When a vulnerability is identified, our team promptly develops a patch to address and mitigate the risk. In line with our dedication to transparency, we publicly disclose the vulnerability and provide detailed mitigation information.
This approach ensures that all potentially affected customers can quickly implement the necessary measures to safeguard their systems. It’s important to note that once a vulnerability and its associated patch are disclosed, attackers will likely attempt to reverse-engineer the patch to exploit unpatched deployments of Veeam software.
This reality underscores the critical importance of ensuring that all customers use the latest versions of our software and install all updates and patches without delay.
Issue Details
A vulnerability allowing an unauthenticated attacker to bypass authorization on the CDP Coordinator Service.
Severity: Critical
CVSS v4.0 Score: 9.1CVSS: AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H
- 13.1.1.18
- 13.1.2.57
- 13.0.3
- 13.0.3.63
- 13.1.1.4
- 13.0
Official advisory · high-confidence parse· fetched 18 hours ago·verify at source
- 13.1.2
- 13.1
Official advisory · high-confidence parse· fetched 18 hours ago·verify at source
Mitigation checklist
- This vulnerability was fixed starting in the following builds:
- Veeam Backup & Replication 13.1.2 (build 13.1.2.57) Veeam Backup & Replication 13.0.3 (build 13.0.3.63)
Official advisory · high-confidence parse· fetched 18 hours ago·verify at source
More Veeam advisories
- CVE-2023-22793Oct 29, 2026Vulnerabilities Resolved in Veeam Management Pack for Microsoft System Center 13.1
- CVE-2025-64394Oct 27, 2026Vulnerabilities Resolved in Veeam Backup for Microsoft 365 8.6
- CVE-2026-105477Oct 27, 2026Release Information for Veeam Backup & Replication 13 and Updates
- KB4857Oct 27, 2026List of Security Fixes and Improvements in Veeam Recovery Orchestrator
- CVE-2026-107671Oct 27, 2026Vulnerabilities Resolved in Veeam ONE 13.1 Patch 1
- CVE-2026-111943Oct 22, 2026Mitigating Impact of Compromised eMudhra Intermediate CA Certificates on Veeam Kasten
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