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CVE-2026-82449— Cockpit CMS before 2.14.1 Account Enumeration via Auth Timing

Quick assessment

Affected
cockpit-hq cockpit
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cockpit CMS是Cockpit组织的一款内容管理系统。 Cockpit CMS 2.14.1之前版本存在侧信道信息泄露漏洞，该漏洞源于认证检查端点中密码验证存在时间差异，攻击者可通过多次请求测量响应时间来确定账户是否存在，导致账户枚举。

CVSS 5.3 · Medium EPSS 0.42% · P35

Possible ATT&CK Techniques 1 AI

T1589 · Gather Victim Identity Information

Affected Version Matrix 2

VendorProduct Version RangeStatus
cockpit-hq cockpit < 2.14.1 affected
2.14.1 unaffected
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I. Basic Information for CVE-2026-82449

Vulnerability Information
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Vulnerability Title
Cockpit CMS before 2.14.1 Account Enumeration via Auth Timing
Source: CVE Program / CVE List V5
Vulnerability Description
Cockpit CMS before 2.14.1 contains an account enumeration vulnerability in the auth check endpoint due to timing discrepancies in password verification. Attackers can measure response times across multiple requests to determine which accounts exist by observing that existing accounts trigger bcrypt verification while non-existent accounts return immediately.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Cockpit CMS 侧信道信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cockpit CMS是Cockpit组织的一款内容管理系统。 Cockpit CMS 2.14.1之前版本存在侧信道信息泄露漏洞，该漏洞源于认证检查端点中密码验证存在时间差异，攻击者可通过多次请求测量响应时间来确定账户是否存在，导致账户枚举。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
cockpit-hq cockpit 0 ~ 2.14.1 -

II. Public POCs for CVE-2026-82449

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III. Intelligence Information for CVE-2026-82449

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Patches & Fixes for CVE-2026-82449 (1)

Vendor Advisories for CVE-2026-82449 (1)

Other References for CVE-2026-82449 (3)

IV. Related Vulnerabilities

Same product: cockpit
Same vendor: cockpit-hq
Same weakness: CWE-208

V. Comments for CVE-2026-82449

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