CVE-2026-40964
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-40964
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Authentication Bypass in cf-auth-proxy in Cloud Foundry Foundation all installations allows an unauthenticated remote attacker to gain read access to every log and metric for every application and platform component via minting a JWT that the cf-auth-proxy accepts as a valid logs.admin token. Affected versions: - log-cache_release: all versions through v3.2.6 (inclusive); fixed in v3.2.7 or later - CF Deployment: all versions through v55.?.0 (inclusive); fixed in v55.?.0 or later (bundles log-cache_release v3.2.7)
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
认证机制不恰当
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cloud Foundry Foundation | log-cache_release | 0 ~ 3.2.6 | - | |
| Cloud Foundry Foundation | CF Deployment | 0 ~ 55.?.0 | - |
II. Public POCs for CVE-2026-40964
| # | POC Description | Source Link | Shenlong Link |
|---|
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Security Blog Posts for CVE-2026-40964 (1)
IV. Related Vulnerabilities
Same weakness: CWE-287
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code-projects Hotel and Tourism Reservation System Admin Log - CVE-2026-45691
Nextcloud: Bypass of second factor authentication on DAV end - CVE-2026-45690
Nextcloud: Two-Factor Authentication Bypass via Pending Sess
V. Comments for CVE-2026-40964
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