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CVE-2026-78188— WebDyne versions from 2.014 before 3.022 for Perl issue session cookies without the Secure, HttpOnly and SameSite attributes

Quick assessment

Affected
CVE-2026-78188
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.

Perl 平台的 WebDyne 版本从 2.014 到 3.022 之前，在设置会话 Cookie 时未包含 Secure、HttpOnly 和 SameSite 属性。 WebDyne::Session 模块在设置会话 Cookie 时，仅指定了名称、值和路径。 这导致浏览器会通过明文 HTTP 传输会话 ID，并允许跨站点请求携带该 ID，同时使页面脚本能够访问该会话信息。网络攻击者或注入的脚本可窃取会话，其他网站也可利用该会话发起请求，从而引发会话劫持等安全风险。

AI Predicted 6.1 Difficulty: Easy EPSS 0.13% · P2

Affected Version Matrix 1

VendorProduct Version RangeStatus
None None 2.014< 3.022 affected

I. Basic Information for CVE-2026-78188

Vulnerability Information
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Vulnerability Title
WebDyne versions from 2.014 before 3.022 for Perl issue session cookies without the Secure, HttpOnly and SameSite attributes
Source: CVE Program / CVE List V5
Vulnerability Description
WebDyne versions from 2.014 before 3.022 for Perl issue session cookies without the Secure, HttpOnly and SameSite attributes. WebDyne::Session sets its session cookie with only a name, value and path. Browsers then send the session ID over plain HTTP and with cross-site requests, and expose it to page scripts. A network attacker or an injected script can steal the session, and another site can make requests that carry it.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
HTTPS会话中未设置’Secure’属性的敏感Cookie
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- - 2.014 ~ 3.022 -

II. Public POCs for CVE-2026-78188

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-78188

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Other References for CVE-2026-78188 (1)

IV. Related Vulnerabilities

Same weakness: CWE-614