CVE-2026-21708

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Summary

CVECVE-2026-21708
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-12 17:16:36 UTC
Updated2026-05-10 13:16:35 UTC
DescriptionA vulnerability allowing a Backup Viewer to perform remote code execution (RCE) as the postgres user.

Risk And Classification

Primary CVSS: v3.1 9.9 CRITICAL from ADP

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

EPSS: 0.013110000 probability, percentile 0.799480000 (date 2026-05-12)

Problem Types: CWE-89 | CWE-89 CWE-89 SQL Injection

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Veeam Backup And Replication affected 12 12.3.2 semver Not specified
CNA Veeam Backup And Replication affected 13 13.0.1 semver Not specified

References

ReferenceSourceLinkTags
www.veeam.com/kb4830 [email protected] www.veeam.com
www.veeam.com/kb4831 [email protected] www.veeam.com
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