How severe is CVE-2026-103106?

CVE-2026-103106 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-103106 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-103106?

CVE-2026-103106 primarily affects Pexip Pexip Infinity. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-103106?

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.

When was CVE-2026-103106 published?

CVE-2026-103106 was published on 2026-09-30 and last updated on 2026-10-05.

CVE-2026-103106

CVE-2026-103106 is a high-severity vulnerability in Pexip Pexip Infinity with a CVSS 3.x base score of 7.8. 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-669.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-669
Affected product: Pexip Pexip Infinity
Published: 2026-09-30
Last modified: 2026-10-05

Description

Pexip Infinity before 38.2, plus 39.0, 39.1, and 40.0, is affected by improper input validation within an internal Pexip Infinity service that allows an attacker with local access to escalate privileges to root. Exploitation requires an attacker to be able to run arbitrary code on a node by either achieving remote code execution via some other vulnerability or having administrative access to the operating system.

Frequently asked questions

What is CVE-2026-103106?: Pexip Infinity before 38.2, plus 39.0, 39.1, and 40.0, is affected by improper input validation within an internal Pexip Infinity service that allows an attacker with local access to escalate privileges to root. Exploitation requires an attacker to be able to run arbitrary code on a node by either achieving remote code execution via some other vulnerability or having administrative access to the operating system.
How severe is CVE-2026-103106?: CVE-2026-103106 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-103106 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-103106?: CVE-2026-103106 primarily affects Pexip Pexip Infinity. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-103106?: 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.
When was CVE-2026-103106 published?: CVE-2026-103106 was published on 2026-09-30 and last updated on 2026-10-05.

References

https://docs.pexip.com/admin/security_bulletins.htm

Affected products (2)

cpe:2.3:a:pexip:pexip_infinity:*:*:*:*:*:*:*:*
cpe:2.3:a:pexip:pexip_infinity:40.0:*:*:*:*:*:*:*

More vulnerabilities in Pexip Pexip Infinity

CVE-2026-103110 — Critical (CVSS 9.8): Pexip Infinity before 38.2, plus 39.0, 39.1 and 40.0, is affected by improper input validation that allows a remote…
CVE-2020-11805 — Critical (CVSS 9.8): Pexip Reverse Proxy and TURN Server before 6.1.0 has Incorrect UDP Access Control via TURN.
CVE-2015-4719 — Critical (CVSS 9.8): The client API authentication mechanism in Pexip Infinity before 10 allows remote attackers to gain privileges via a…
CVE-2017-6551 — Critical (CVSS 9.8): Pexip Infinity before 14.2 allows remote attackers to cause a denial of service (service restart) or execute arbitrary…
CVE-2026-103105 — High (CVSS 8.8): Pexip Infinity before 38.2, plus 39.0, 39.1 and 40.0, is affected by improper access control on a product-internal API…
CVE-2026-103102 — High (CVSS 8.6): Pexip Infinity before 41.0 is affected by improper input validation in the signaling implementation which allows a…

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