CVE-2022-26500Improper 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 exec…
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It affects veeam_backup_&_replication. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Dec 13, 2022; federal agencies had to remediate by Jan 3, 2023, and it is known to be used in ransomware. Treat that date as your deadline.
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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.
- CVSS
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-22
- Known exploited
- Added to CISA KEV Dec 13, 2022; federal remediation due Jan 3, 2023; known ransomware useApply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 5.83% (percentile 93)
- Assigned by
- mitre
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
veeam veeam_backup_&_replication veeam:veeam_backup_&_replication | from 10.0.0.4442 before 10.0.1.4854; from 11.0.0.825 before 11.0.1.1261; 9.5.0.1536; 9.5.4.2615; 10.0.1.4854; 10.0.1.4854; 10.0.1.4854; 11.0.1.1261; and 2 more ranges | NVD |
References
- https://veeam.comx-refsource-misc, vendor-advisory
- https://www.veeam.com/kb4288x-refsource-misc, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26500us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.