CVEs / CVE-2022-26501

CVE-2022-26501: Veeam Backup & Replication Remote Code Execution Vulnerability

Known exploited in the CISA KEV catalog since 13 Dec 2022
critical 9.8 CVSS 3.1 (NVD)
EPSS 4.1% chance of exploitation in the next 30 days, higher than 90% of CVEs (30 Oct 2026)
Last changed at its sources 17 Jun 2026

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Summary

The Veeam Distribution Service in the Backup & Replication application allows unauthenticated users to access internal API functions. A remote attacker can send input to the internal API which may lead to uploading and executing of malicious code.
CISA, Known Exploited Vulnerabilities catalog

Description

Veeam Backup & Replication 10.x and 11.x has Incorrect Access Control (issue 1 of 2).
The CVE record, via NVD · published 17 Mar 2022 · NVD status: Analyzed

Affected and fixed versions

As stated by the CVE record (from the CNA)
Product	Affected	Fixed in
n/a n/a	n/a	—

Exploitation

In CISA KEV since	13 Dec 2022
Due date for US federal agencies	3 Jan 2023
Used in ransomware campaigns	Known
Required action	Apply updates per vendor instructions.

Severity

CVSS 3.1	9.8 critical `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H` Scored by NVD
Weakness	CWE-306

References

CVE-2022-26501 on NVD
CVE-2022-26501 in the CISA KEV catalog
https://www.veeam.com/kb4288 (cited by CISA)
https://veeam.com Vendor Advisory
https://www.veeam.com/kb4288 Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26501 US Government Resource

Sources

Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.

This product uses data from the NVD API but is not endorsed or certified by the NVD.