CVE-2026-79312
Medium
Description
webpy web.py 0.76 is vulnerable to Session Fixation. The component Session._load() reads session_id directly from the request cookie and loads that session from the store, and _save() writes back under the same session_id; no rotation after authentication, so a fixed session_id keeps the authenticated state.
SeverityMedium
CVSS6.8
Exploit probability—
ProductWeb.py
PublishedSep 22, 2026
First seenSep 22, 2026
Weakness typeCWE-384CWE-384
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| web.py | 0.76 | — |
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