How severe is CVE-2026-73237?

CVE-2026-73237 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-73237 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-73237?

CVE-2026-73237 affects Apache Allura. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-73237?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-73237 published?

CVE-2026-73237 was published on 2026-08-12 and last updated on 2026-08-17.

CVE-2026-73237

CVE-2026-73237 is a medium-severity vulnerability in Apache Allura with a CVSS 3.x base score of 6.1. 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-80.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-80
Affected product: Apache Allura
Published: 2026-08-12
Last modified: 2026-08-17

Description

XSS vulnerability in Markdown handling in Apache Allura. This issue affects Apache Allura: from 1.10.0 before 1.19.1. Users are recommended to upgrade to version 1.19.1, which fixes the issue.

Frequently asked questions

What is CVE-2026-73237?: XSS vulnerability in Markdown handling in Apache Allura. This issue affects Apache Allura: from 1.10.0 before 1.19.1. Users are recommended to upgrade to version 1.19.1, which fixes the issue.
How severe is CVE-2026-73237?: CVE-2026-73237 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-73237 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-73237?: CVE-2026-73237 affects Apache Allura. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-73237?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-73237 published?: CVE-2026-73237 was published on 2026-08-12 and last updated on 2026-08-17.

References

Affected products (1)

cpe:2.3:a:apache:allura:*:*:*:*:*:*:*:*

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