HIGH

CVE-2026-66800

CVSS v3

8.6

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

Get an alert for each new CVE published for cluster-backup-operator.

Set up CVE WatchFree account · no credit card

Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

CVE-2026-66800 Red Hat Product Security24 products fixed
cluster-backup-operator: cluster-backup-operator: CleanupAll triggers unguarded cluster-wide mass-delete via operator ServiceAccount
RHSA-2026:60391 Red Hat Product Security4 products fixed
Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.16.4 security update
RHSA-2026:60390 Red Hat Product Security4 products fixed
Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.13.11 security update
RHSA-2026:60388 Red Hat Product Security4 products fixed
Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.14.4 security update
RHSA-2026:60389 Red Hat Product Security4 products fixed
Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.15.6 security update
RHSA-2026:60387 Red Hat Product Security4 products fixed
Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.11.11 security update

1 more advisory

Full record on NVD

Description

Server-side request forgery (ssrf) in Azure Data Factory allows an unauthorized attacker to disclose information over a network.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Published: 2026-08-20
Last Modified: 2026-08-21

Frequently asked questions

What is CVE-2026-66800?

Server-side request forgery (ssrf) in Azure Data Factory allows an unauthorized attacker to disclose information over a network.

Is CVE-2026-66800 actively exploited?

Active exploitation of CVE-2026-66800 has not been confirmed. Its EPSS score was 1.0% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-66800?

CVE-2026-66800 has a CVSS v3 base score of 8.6 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

Running cluster-backup-operator? Hear about its next vulnerability

CVE Watch matches each new CVE to the vendors and products you list (vendor and product, not the version) and puts it in your alerts with its KEV and EPSS status.

Get alerts for this product CISA KEV additions, October 2026 Search CVEs

Already have an account? Open CVE WatchNo credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
Running this software? CVE Watch alerts you to new vulnerabilities in your products.

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database