CVE-2026-116894— REDAXO before 5.21.5 Insufficient Session Expiration on Password Change

Quick assessment

Affected

redaxo core

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.

在 5.21.5 之前的 REDAXO 版本中存在一个会话过期机制不足的安全漏洞。该漏洞允许攻击者在用户更改密码后，通过保留当前会话及“保持登录”（stay-logged-in）密钥的有效性，继续维持对账户的访问权限。若攻击者已获取用户的会话 ID 或“保持登录”Cookie，则可在密码更改后，凭借该 Cookie 在长达三个月的时间内持续访问后台系统。

CVSS 4.2 · Medium Updated Oct 27, 2026

Possible ATT&CK Techniques 1 AI

T1538.002

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Vulnerability Information

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Vulnerability Title

REDAXO before 5.21.5 Insufficient Session Expiration on Password Change

Source: CVE Program / CVE List V5

Vulnerability Description

REDAXO before 5.21.5 contains an insufficient session expiration vulnerability that allows attackers to retain account access by keeping the current session and stay-logged-in key valid after a password change. Attackers who obtained a user's session id or stay-logged-in cookie can keep backend access after the password change, via the cookie for up to three months.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/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
redaxo	core	0 ~ 5.21.5	-

II. Public POCs for CVE-2026-116894

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-116894

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Other References for CVE-2026-116894 (3)

https://github.com/redaxo/core/commit/672d22a779bfce7aa4aa445d9c831a824fb86896 patch
https://github.com/redaxo/core/security/advisories/GHSA-mjjv-vffq-g5h6 vendor-advisory
https://www.vulncheck.com/advisories/redaxo-before-5.21.5-insufficient-session-expiration-on-password-change third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-116894

Same Patch Batch · redaxo · 2026-10-27 · 15 CVEs total

CVE-2026-117532	9.8 CRITICAL	REDAXO Core 5.3.0 before 5.21.4 Authentication Bypass via History Plugin
CVE-2026-117536	8.8 HIGH	REDAXO before 5.21.3 CSRF Token Bypass via users/users Privilege Escalation
CVE-2026-116896	7.5 HIGH	REDAXO before 5.21.5 Privilege Escalation via Backup Export of Authentication Tables
CVE-2026-116898	7.1 HIGH	REDAXO before 5.21.4 Missing Authorization in Media Pool Bulk Move
CVE-2026-116893	6.8 MEDIUM	REDAXO core before 5.21.5 Missing Authorization in rex_api_package API
CVE-2026-116897	6.5 MEDIUM	REDAXO before 5.21.4 Missing Authorization in Version and History Previews
CVE-2026-116899	6.5 MEDIUM	REDAXO before 5.21.4 Broken Access Control in Slice Operations
CVE-2026-117535	6.1 MEDIUM	REDAXO before 5.21.3 Reflected XSS via opener_link in Media Pool
CVE-2026-117534	5.4 MEDIUM	REDAXO before 5.21.3 CSRF in Article History Plugin
CVE-2026-116900	5.4 MEDIUM	REDAXO before 5.21.4 Stored XSS via Media and Link Input Widgets
CVE-2026-116895	5.4 MEDIUM	REDAXO before 5.21.5 CSRF via Safe Mode Toggle Parameter
CVE-2026-117533	4.4 MEDIUM	REDAXO 5.18.0 before 5.21.4 Stored XSS via Unsanitized Mediapool SVG Uploads
CVE-2026-117538	4.1 MEDIUM	REDAXO before 5.21.0 Reflected XSS via Packages API function Parameter
CVE-2026-117537	4.1 MEDIUM	REDAXO before 5.21.0 Reflected XSS via Metainfo API type Parameter

IV. Related Vulnerabilities

Same product: core

Same vendor: redaxo

Same weakness: CWE-613