How severe is CVE-2026-0274?

CVE-2026-0274 has a CVSS 4.0 base score of 8.1, rated high severity.

Is CVE-2026-0274 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-0274?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-0274 have an EU (EUVD) identifier?

Yes. CVE-2026-0274 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36150.

When was CVE-2026-0274 published?

CVE-2026-0274 was published on 2026-06-10 and last updated on 2026-06-17.

CVE-2026-0274

CVE-2026-0274 is a high-severity vulnerability with a CVSS 4.0 base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1390.

Key facts

Severity: High (CVSS 4.0 base score 8.1)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36150
Weakness: CWE-1390
Published: 2026-06-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-0274?: 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.
How severe is CVE-2026-0274?: CVE-2026-0274 has a CVSS 4.0 base score of 8.1, rated high severity.
Is CVE-2026-0274 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-0274?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-0274 have an EU (EUVD) identifier?: Yes. CVE-2026-0274 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36150.
When was CVE-2026-0274 published?: CVE-2026-0274 was published on 2026-06-10 and last updated on 2026-06-17.

References

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

Other CWE-1390 vulnerabilities

CVE-2025-30412 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to improper authentication. The following products are affected: Acronis…
CVE-2025-30411 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to improper authentication. The following products are affected: Acronis…
CVE-2026-6886 — Critical (CVSS 9.8): Borg SPM 2007 (Sales Ended in 2008) developed by BorG Technology Corporation has a Authentication Bypass…
CVE-2026-28710 — Critical (CVSS 9.8): Sensitive information disclosure and manipulation due to improper authentication. The following products are affected:…
CVE-2025-40554 — Critical (CVSS 9.8): SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that, if exploited,…
CVE-2025-40552 — Critical (CVSS 9.8): SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that if exploited, would…

Browse all CWE-1390 vulnerabilities →