CVE-2026-21708

At a glance

Severity: CRITICAL 9.9
EPSS: EPSS 1.14 % · percentile 66 (2026-10-27)
State: PUBLISHED
Published: 2026-03-12
Updated: 2026-05-10
Assigner: hackerone
NVD status: Analyzed

Description

A vulnerability allowing a Backup Viewer to perform remote code execution (RCE) as the postgres user.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	CRITICAL 9.9	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L	CISA-ADP
CVSS 3.1	CRITICAL 9.9	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

CWE-89

European references

ENISA EUVD · EUVD-2026-11597
GCVE · GCVE-0-2026-21708

CERT-FR advisories

CERTFR-2026-AVI-0282 — Multiples vulnérabilités dans Veeam Backup & Replication · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:veeam:veeam_backup_\&_replication:*:*:*:*:*:*:*:* ≥ 12.0.0.1402 < 12.3.2.4465.

Affected products

Product	Versions
Veeam · Backup and Replication	affected 12 < 12.3.2 ; affected 13 < 13.0.1

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD