How severe is CVE-2026-0765?

CVE-2026-0765 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-0765 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-0765?

CVE-2026-0765 affects Openwebui Open Webui. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-0765?

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-2026-0765 have an EU (EUVD) identifier?

Yes. CVE-2026-0765 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4459.

When was CVE-2026-0765 published?

CVE-2026-0765 was published on 2026-01-23 and last updated on 2026-06-17.

CVE-2026-0765

CVE-2026-0765 is a high-severity vulnerability in Openwebui Open Webui with a CVSS 3.x base score of 8.8. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4459
Weakness: CWE-78
Affected product: Openwebui Open Webui
Published: 2026-01-23
Last modified: 2026-06-17

Description

Open WebUI PIP install_frontmatter_requirements Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Open WebUI. Authentication is required to exploit this vulnerability. The specific flaw exists within the install_frontmatter_requirements function.The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-28258.

Frequently asked questions

What is CVE-2026-0765?: Open WebUI PIP install_frontmatter_requirements Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Open WebUI. Authentication is required to exploit this vulnerability. The specific flaw exists within the install_frontmatter_requirements function.The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-28258.
How severe is CVE-2026-0765?: CVE-2026-0765 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-0765 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-0765?: CVE-2026-0765 affects Openwebui Open Webui. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-0765?: 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-2026-0765 have an EU (EUVD) identifier?: Yes. CVE-2026-0765 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4459.
When was CVE-2026-0765 published?: CVE-2026-0765 was published on 2026-01-23 and last updated on 2026-06-17.

References

https://www.zerodayinitiative.com/advisories/ZDI-26-031/

Affected products (1)

cpe:2.3:a:openwebui:open_webui:0.6.32:*:*:*:*:*:*:*

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