CVE-2026-0274: An improper validation of credentials vulnerability in the CommvaultSecurityIQ integration for Cortex XSOAR an

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CRITICAL 9.1REMOTEDOWNGRADEDOWNGRADE

CVE-2026-0274 is a critical-severity flaw (CVSS 9.1) affecting cortex xsiam commvaultsecurityiq marketplace, cortex xsoar commvaultsecurityiq marketplace. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-1390
Published	2026-06-10
Last modified	2026-07-23

Publisher (CNA): Palo Alto Networks, Inc. · Vendor: paloaltonetworks

Last updated 2026-07-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-10 22:16 UTCPublished CVE record published
2026-07-23 09:10 UTCUpdated Record last modified

paloaltonetworks cortex xsiam commvaultsecurityiq marketplace DOWNGRADE

Affected: 1.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.0

1. Check installed version

apt-cache policy cortex-xsiam-commvaultsecurityiq-marketplace || rpm -q cortex-xsiam-commvaultsecurityiq-marketplace || cortex-xsiam-commvaultsecurityiq-marketplace --version

2. No fixed release: DOWNGRADE to a release before 1.1.0 (Debian / Ubuntu)

apt-cache madison cortex-xsiam-commvaultsecurityiq-marketplace sudo apt install cortex-xsiam-commvaultsecurityiq-marketplace=<VERSION_BEFORE_1.1.0> sudo apt-mark hold cortex-xsiam-commvaultsecurityiq-marketplace

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list cortex-xsiam-commvaultsecurityiq-marketplace sudo dnf downgrade cortex-xsiam-commvaultsecurityiq-marketplace-<VERSION_BEFORE_1.1.0> sudo dnf versionlock add cortex-xsiam-commvaultsecurityiq-marketplace

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

paloaltonetworks cortex xsoar commvaultsecurityiq marketplace DOWNGRADE

Affected: 1.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.0

1. Check installed version

apt-cache policy cortex-xsoar-commvaultsecurityiq-marketplace || rpm -q cortex-xsoar-commvaultsecurityiq-marketplace || cortex-xsoar-commvaultsecurityiq-marketplace --version

2. No fixed release: DOWNGRADE to a release before 1.1.0 (Debian / Ubuntu)

apt-cache madison cortex-xsoar-commvaultsecurityiq-marketplace sudo apt install cortex-xsoar-commvaultsecurityiq-marketplace=<VERSION_BEFORE_1.1.0> sudo apt-mark hold cortex-xsoar-commvaultsecurityiq-marketplace

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list cortex-xsoar-commvaultsecurityiq-marketplace sudo dnf downgrade cortex-xsoar-commvaultsecurityiq-marketplace-<VERSION_BEFORE_1.1.0> sudo dnf versionlock add cortex-xsoar-commvaultsecurityiq-marketplace

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-0274?

cortex xsiam commvaultsecurityiq marketplace: downgrade or apply the listed mitigation; cortex xsoar commvaultsecurityiq marketplace: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-0274 being exploited?

CVE-2026-0274 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-0274 affect?

CVE-2026-0274 affects cortex xsiam commvaultsecurityiq marketplace, cortex xsoar commvaultsecurityiq marketplace. Severity is critical (CVSS 9.1). 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 urgent is CVE-2026-0274?

Priority 42/100. Critical severity; Remotely exploitable, no login, no user action

References

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