SB2026090361 - Multiple vulnerabilities in Apache Allura

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Main Vulnerability Database SB2026090361

SB2026090361 - Multiple vulnerabilities in Apache Allura

Published: September 3, 2026

Security Bulletin ID SB2026090361
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Cross-site scripting (CVE-ID: CVE-2026-80180)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]


The vulnerability allows a remote attacker to execute arbitrary script code in a victim's browser.

The vulnerability exists due to cross-site scripting in markdown HTML processing when rendering stored markdown content. A remote attacker can inject a specially crafted markdown payload to execute arbitrary script code in a victim's browser.


2) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2026-80181)

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote user to perform server-side request forgery.

The vulnerability exists due to improper control of outbound requests in webhooks when handling webhook requests. A remote user can supply a crafted webhook target to perform server-side request forgery.


3) Cross-site scripting (CVE-ID: CVE-2026-80190)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]


The vulnerability allows a remote user to execute arbitrary script code in a victim's browser.

The vulnerability exists due to improper neutralization of input during web page generation in SVN code repositories when rendering stored repository content. A remote user can store a specially crafted payload in an SVN repository to execute arbitrary script code in a victim's browser.

Git repositories are not known to be affected.


4) Improper access control (CVE-ID: CVE-2026-81270)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to disclose non-public information.

The vulnerability exists due to improper access control in search when processing search queries. A remote attacker can perform a search to disclose non-public information.


Remediation

Install update from vendor's website.

References