CVE-2026-21708
A vulnerability allowing a Backup Viewer to perform remote code execution (RCE) as the postgres...
A vulnerability allowing a Backup Viewer to perform remote code execution (RCE) as the postgres user.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
A vulnerability allowing a Backup Viewer to perform remote code execution (RCE) as the postgres user.
- Record
CVE-2026-21708- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L - Weakness
- CWE-89
- Updated
- 2026-11-02
EUVDEUVD-2026-11597
A vulnerability allowing a Backup Viewer to perform remote code execution (RCE) as the postgres user.
- Record
EUVD-2026-11597- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-c76v-r5mr-9fpq
A vulnerability allowing a Backup Viewer to perform remote code execution (RCE) as the postgres...
A vulnerability allowing a Backup Viewer to perform remote code execution (RCE) as the postgres user.
- Record
GHSA-c76v-r5mr-9fpq- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-89
- Updated
- 2026-11-02
NVD
A vulnerability allowing a Backup Viewer to perform remote code execution (RCE) as the postgres user.
- Record
CVE-2026-21708- CVSS 3.1
- 9.9 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L - Weakness
- CWE-89
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-21708 is a critical vulnerability (CVSS 9.9) in Veeam Backup And Replication, published March 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.40%, the 72nd percentile. No source names a fixed version.