Bug 2538138 (CVE-2026-79311)

Summary: CVE-2026-79311 python-webpy: webpy: Missing autoescape in render_jinja leads to Cross-Site Scripting (XSS)
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in webpy. The `render_jinja` template adapter does not enable automatic HTML escaping when initializing the Jinja2 environment. Applications using this adapter that render user-controlled data in templates are vulnerable to cross-site scripting (XSS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2540018    
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Description OSIDB Bzimport 2026-09-22 17:15:04 UTC
webpy web.py 0.76 is vulnerable to Cross Site Scripting (XSS) via render_jinja.__init__().