CriticalVeeam Exploited CISA KEV

Critical [CVE-2020-14040 +33] List of Security Fixes and Improvements in Veeam Kasten for Kubernetes

This critical-severity Veeam advisory covers CVE-2020-14040 and CVE-2021-23017 and 32 more CVEs.

KB4825 Published Jun 16, 2026

Affected products & platforms

VeeamBackup & ReplicationKasten

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Summary

List of Security Fixes and Improvements in Veeam Kasten for Kubernetes

KB ID: 4825

Product:

Kasten K10 by Veeam | 3 | 5 | 5.5 | 6 | 6.5

Published: 2026-03-02

Last Modified:

Purpose

This article aims to provide our customers' security and compliance teams with detailed information on security improvements.

Veeam Kasten for Kubernetes — Release Notes
Upgraded the Prometheus base image to resolve GHSA-hrxh-6v49-42gf - GitHub Advisory
Upgraded Dex image dependencies to resolve multiple Critical and High CVEs
Upgraded to the latest UBI base image to resolve multiple CVEs.
Updated third-party dependencies (gomplate, logger base image) in the dex and logger components to address known vulnerabilities.
Updated the UBI minimal base image to incorporate the latest security fixes.
Improved logging security for Veeam Backup & Replication API credentials and other sensitive values previously written to Kasten logs. It is recommended to upgrade Veeam Kasten and to refresh the token by manually logging out.
Upgraded components of Kasten's bundled Prometheus monitoring stack to resolve multiple CVEs
Updated base images used in the Red Hat Marketplace operator bundle to fix multiple Critical and High CVEs

CISA Known Exploited Vulnerability

Listed:: Oct 9, 2025 · federal remediation due Oct 30, 2025
Required action:: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Ransomware use:: Unknown

KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

8.5.10
8.5.5
1.26.1
8.5.3
1.25.7
8.5.1
1.25.6
8.0.15
1.25.5
8.0.11
1.25.3
46.0
8.0.8
1.24.7
1.24.6
1.24.5
1.24.4
1.24.3
1.23.8
7.5.5
1.23.7
1.23.6
1.22.5
7.0.1

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

List of Security Fixes and Improvements in Veeam Kasten for Kubernetes KB ID: 4825 Product: Veeam Kasten for Kubernetes | 7 | 7.5 | 8 | 8.5 Kasten K10 by Veeam | 3 | 5 | 5.5 | 6 | 6.5 Published: 2026-03-02 Last Modified: 2026-08-14 Purpose This article describes all security-related fixes and improvements introduced in each release or update of Veeam Kasten for Kubernetes.
It is recommended to upgrade Veeam Kasten and to refresh the token by manually logging out.
Mitigation: Configure a bucket-level Default Object Lock retention so the object store stamps new objects at write time, or upgrade to Kasten 8.5.10.
Veeam Kasten for Kubernetes 8.5.5 Upgrade to Go 1.26.1 to address CVE-2026-25679 and CVE-2026-27142 Updated the UBI base image to address CVE-2026-4111 Veeam Kasten for Kubernetes 8.5.3 Upgrade to Go 1.25.7 to address CVE-2025-61732.
Veeam Kasten for Kubernetes 8.5.1 Upgrade to Go 1.25.6 to address CVEs: CVE-2025-61726 CVE-2025-61728 CVE-2025-61731 CVE-2025-68119 CVE-2025-68121 Updated base image used to build Veeam Kasten container images to pull in latest security updates.
Veeam Kasten for Kubernetes 8.0.15 Upgrade to Go 1.25.5 to address CVE-2025-61727 and CVE-2025-61729.
It is recommended to upgrade Veeam Kasten to get this fix.
Veeam Kasten for Kubernetes 8.0.11 Upgrade to Go 1.25.3 to mitigate security vulnerabilities.

Temporary workarounds

Veeam Kasten for Kubernetes 8.0.14 Improved logging security for specific block mode datamover upload Pod invocations.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Veeam Knowledge Base — Security Advisoriesofficial
Official vendor feed — the source of truth for this advisory. VulnPulse polled this feed and parsed this entry from it. Discovered from the machine-readable feed https://www.veeam.com/kb_rss; this link opens the Veeam advisory index instead of the raw feed document.
Veeam
Vendor advisory pageofficial
Advisory page fetched and parsed to extract affected/fixed versions and mitigation guidance beyond what the feed carries.
Veeam

Cross-references

Validate CVE metadata against the authoritative registries.

Official resources

Veeam Backup & Replication downloads (target: 8.5.10 / 8.5.5 / 1.26.1)
Official documentation
This advisory names 8.5.10 / 8.5.5 / 1.26.1 as the first fixed releases — official upgrade documentation for Veeam Backup & Replication.
VBR build numbers & versions (KB2680)
Knowledge base
Official build-number table — match your console's exact build against the fixed build before patching.
Veeam Knowledge Base (advisory source)
Official documentation
Canonical Veeam KB — the authoritative advisory text, affected builds and hotfixes.
Veeam Trust Center
Official documentation
Veeam's security and vulnerability-disclosure hub.

Discussion(0)

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