How severe is CVE-2026-46581?

CVE-2026-46581 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-46581 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-46581?

CVE-2026-46581 primarily affects Eclipse Mojarra. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-46581?

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-2026-46581 published?

CVE-2026-46581 was published on 2026-08-05 and last updated on 2026-08-10.

CVE-2026-46581

CVE-2026-46581 is a high-severity vulnerability in Eclipse Mojarra 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)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Eclipse Mojarra
Published: 2026-08-05
Last modified: 2026-08-10

Description

In Eclipse Mojarra versions 2.3 and following, URL handing in `DefaultFaceletFactory` does not properly sanitize and/or block remote URLs, allowing an attacker to specify a URL to a remote Facelet which will be included and processed as part of the normal request, with the privileges of the target server. This could allow access to restricted files such as `WEB-INF/web.xml` or `/etc/passwd`.

Frequently asked questions

What is CVE-2026-46581?: In Eclipse Mojarra versions 2.3 and following, URL handing in `DefaultFaceletFactory` does not properly sanitize and/or block remote URLs, allowing an attacker to specify a URL to a remote Facelet which will be included and processed as part of the normal request, with the privileges of the target server. This could allow access to restricted files such as `WEB-INF/web.xml` or `/etc/passwd`.
How severe is CVE-2026-46581?: CVE-2026-46581 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-46581 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-46581?: CVE-2026-46581 primarily affects Eclipse Mojarra. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-46581?: 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-2026-46581 published?: CVE-2026-46581 was published on 2026-08-05 and last updated on 2026-08-10.

References

Affected products (6)

cpe:2.3:a:eclipse:mojarra:*:*:*:*:*:*:*:*
cpe:2.3:a:eclipse:mojarra:5.0.0:milestone1:*:*:*:*:*:*
cpe:2.3:a:eclipse:mojarra:5.0.0:milestone2:*:*:*:*:*:*
cpe:2.3:a:eclipse:mojarra:5.0.0:milestone3:*:*:*:*:*:*
cpe:2.3:a:eclipse:mojarra:5.0.0:milestone4:*:*:*:*:*:*
cpe:2.3:a:eclipse:mojarra:5.0.0:milestone5:*:*:*:*:*:*

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