How severe is CVE-2026-0270?

CVE-2026-0270 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-0270 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-0270?

CVE-2026-0270 affects Paloaltonetworks Cortex Xsoar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-0270?

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-2026-0270 have an EU (EUVD) identifier?

Yes. CVE-2026-0270 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36146.

When was CVE-2026-0270 published?

CVE-2026-0270 was published on 2026-06-10 and last updated on 2026-07-23.

CVE-2026-0270

CVE-2026-0270 is a high-severity vulnerability in Paloaltonetworks Cortex Xsoar with a CVSS 3.x base score of 7.5. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 4.8
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36146
Weakness: CWE-22
Affected product: Paloaltonetworks Cortex Xsoar
Published: 2026-06-10
Last modified: 2026-07-23

Description

A path traversal vulnerability in Palo Alto Networks Cortex XSOAR engine software running on Linux allows an unauthenticated attacker on an adjacent network, with the ability to intercept and manipulate network response traffic via a man-in-the-middle (MITM) attack, to write arbitrary files to the host.

Frequently asked questions

What is CVE-2026-0270?: A path traversal vulnerability in Palo Alto Networks Cortex XSOAR engine software running on Linux allows an unauthenticated attacker on an adjacent network, with the ability to intercept and manipulate network response traffic via a man-in-the-middle (MITM) attack, to write arbitrary files to the host.
How severe is CVE-2026-0270?: CVE-2026-0270 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-0270 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-0270?: CVE-2026-0270 affects Paloaltonetworks Cortex Xsoar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-0270?: 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-2026-0270 have an EU (EUVD) identifier?: Yes. CVE-2026-0270 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36146.
When was CVE-2026-0270 published?: CVE-2026-0270 was published on 2026-06-10 and last updated on 2026-07-23.

References

Affected products (1)

cpe:2.3:a:paloaltonetworks:cortex_xsoar:*:*:*:*:*:*:*:*

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