Is CVE-2026-0274 in the CISA KEV catalog?

No. CVE-2026-0274 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-0274?

CVE-2026-0274 has a CVSS v4 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2026-0274?

CVE-2026-0274 has an EPSS score of 0.32% (23th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-0274

HIGH

8.1

CVSS v4

NVD

Description

An improper validation of credentials vulnerability in the CommvaultSecurityIQ integration for Cortex XSOAR and Cortex XSIAM allows an unauthenticated attacker to access and modify protected resources.

CWE-1390

CVSS v4 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Impact

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Red

Exploit Intelligence

0.32%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

https://security.paloaltonetworks.com/CVE-2026-0274

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-17.