CVE-2026-80181

Critical

Description

Apache Allura's webhooks are vulnerable to Server-Side Request Forgery (SSRF). This issue affects Apache Allura: through 1.20.0. Users are recommended to upgrade to version 1.21.0, which fixes the issue.

SeverityCritical

CVSS9.1

Exploit probability—

ProductApache Allura

PublishedSep 4, 2026

First seenSep 4, 2026

Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Vendor advisories

lists.apache.org/thread/v4nplqchsmdg9sdhp91f8hn03rlq8y7s

Affected products

Product	Affected versions	Fixed in
Apache Software Foundation Apache Allura	v ≤ 1.20.0	—

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