CVE-2022-26500

Name: CVE-2022-26500
Creator: NVD / NIST
Published: 2022-03-17T21:15:08.193+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10Actively ExploitedEPSS 5.94%

Last modified Jun 17, 2026

CVE-2022-26500 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Improper limitation of path names in Veeam Backup & Replication 9.5U3, 9.5U4,10.x, and 11.x allows remote authenticated users access to internal API functions that allows attackers to upload and execute arbitrary code.. CISA has confirmed active exploitation in the wild. EPSS estimates a 5.94% chance of exploitation in the next 30 days.

Description

Improper limitation of path names in Veeam Backup & Replication 9.5U3, 9.5U4,10.x, and 11.x allows remote authenticated users access to internal API functions that allows attackers to upload and execute arbitrary code.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

5.94%

92.3th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Jan 3, 2023.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Veeam	Veeam Backup \& Replication	>= 10.0.0.4442, < 10.0.1.4854
Veeam	Veeam Backup \& Replication	>= 11.0.0.825, < 11.0.1.1261
Veeam	Veeam Backup \& Replication	9.5.0.1536
Veeam	Veeam Backup \& Replication	9.5.4.2615
Veeam	Veeam Backup \& Replication	10.0.1.4854
Veeam	Veeam Backup \& Replication	11.0.1.1261

References

https://veeam.comVendor Advisory
https://www.veeam.com/kb4288Vendor Advisory
https://veeam.comVendor Advisory
https://www.veeam.com/kb4288Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26500US Government Resource

Timeline

Published: Mar 17, 2022
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2022-26500?

How severe is CVE-2022-26500?

CVE-2022-26500 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 5.94% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2022-26500?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-26500?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST