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CVE-2026-100502— Flame through 2.4.0 Admin Token Insufficient Session Expiration

Quick assessment

Affected
pawelmalak flame
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.

Flame through 2.4.0 存在一个会话过期机制不足的安全漏洞，该漏洞位于登录接口中。攻击者若曾拥有管理员权限，可通过提供未经验证的持续时间参数，获取具有任意有效期的令牌。攻击者可以签发近乎永久的管理员令牌，即使密码被更改，这些令牌依然有效，从而持续保留对仪表盘的完全控制权。这是因为令牌验证仅依赖于一个静态的 JWT 密钥，且该密钥从未轮换。

CVSS 5.0 · Medium EPSS 0.29% · P19
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I. Basic Information for CVE-2026-100502

Vulnerability Information
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Vulnerability Title
Flame through 2.4.0 Admin Token Insufficient Session Expiration
Source: CVE Program / CVE List V5
Vulnerability Description
Flame through 2.4.0 contains an insufficient session expiration vulnerability in the login endpoint that allows attackers with former admin access to obtain tokens with arbitrary lifespans by supplying unvalidated duration parameters. Attackers can mint near-permanent administrator tokens that survive password changes, retaining full control of the dashboard since tokens are verified only against a static JWT secret that is never rotated.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的会话过期机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
pawelmalak flame 0 ~ 2.4.0 -

II. Public POCs for CVE-2026-100502

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III. Intelligence Information for CVE-2026-100502

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Vendor Advisories for CVE-2026-100502 (1)

Other References for CVE-2026-100502 (5)

Same Patch Batch · pawelmalak · 2026-09-25 · 3 CVEs total

CVE-2026-100501 6.5 MEDIUM Flame through 2.4.0 Brute-Force Attack via Login Endpoint
CVE-2026-100418 5.3 MEDIUM Flame through 2.4.0 Information Exposure via GET /api/config

IV. Related Vulnerabilities

Same product: flame
Same vendor: pawelmalak
Same weakness: CWE-613

V. Comments for CVE-2026-100502

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