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CVE-2026-77130— Insufficient Session Expiration in extension "SYSSY - TYPO3 Monitoring & Security Checks" (syssy)

Quick assessment

Affected
TYPO3 Extension "SYSSY - TYPO3 Monitoring & Security Checks"
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.

TYPO3 SYSSY - TYPO3 Monitoring & Security Checks是TYPO3组织开源的一款适用于 TYPO3 内容管理系统的网站运维与安全监控插件。 TYPO3 SYSSY - TYPO3 Monitoring & Security Checks 3.0.6之前版本存在会话机制问题漏洞，该漏洞源于未能正确验证客户端提供的JWT令牌的过期时间，可能导致攻击者在控制有效API密钥的情况下使用过期令牌进行身份验证。

CVSS 5.3 · Medium EPSS 0.35% · P29

Possible ATT&CK Techniques 1 AI

T1110.003 · Password Spraying

Affected Version Matrix 1

VendorProduct Version RangeStatus
TYPO3 Extension "SYSSY - TYPO3 Monitoring & Security Checks" < 3.0.6 affected
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I. Basic Information for CVE-2026-77130

Vulnerability Information
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Vulnerability Title
Insufficient Session Expiration in extension "SYSSY - TYPO3 Monitoring & Security Checks" (syssy)
Source: CVE Program / CVE List V5
Vulnerability Description
The extension fails to properly validate the expiration of a client-supplied JWT token, allowing an attacker in control of a valid API key to authenticate with an expired token. Exploitation requires the attacker to already be in control of the SYSSY project's API key.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA: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
Vulnerability Title
TYPO3 SYSSY - TYPO3 Monitoring & Security Checks 会话机制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TYPO3 SYSSY - TYPO3 Monitoring & Security Checks是TYPO3组织开源的一款适用于 TYPO3 内容管理系统的网站运维与安全监控插件。 TYPO3 SYSSY - TYPO3 Monitoring & Security Checks 3.0.6之前版本存在会话机制问题漏洞，该漏洞源于未能正确验证客户端提供的JWT令牌的过期时间，可能导致攻击者在控制有效API密钥的情况下使用过期令牌进行身份验证。
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
TYPO3 Extension "SYSSY - TYPO3 Monitoring & Security Checks" 0 ~ 3.0.6 -

II. Public POCs for CVE-2026-77130

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III. Intelligence Information for CVE-2026-77130

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Vendor Advisories for CVE-2026-77130 (1)

Same Patch Batch · TYPO3 · 2026-08-25 · 24 CVEs total

CVE-2026-77136 9.5 CRITICAL Server-Side Template Injection in extension "powermail" (powermail)
CVE-2026-77138 9.3 CRITICAL Remote Code Execution in extension "HTML5 Video Player vs. Powermail" (html5videoplayer_po
CVE-2026-77143 8.8 HIGH Broken Access Control in extension "Forum" (pforum)
CVE-2026-77142 8.8 HIGH Broken Access Control in extension "Industry Directory" (yellowpages2)
CVE-2026-77141 8.8 HIGH Broken Access Control in extension "Club Directory" (clubdirectory)
CVE-2026-77140 8.7 HIGH Broken Access Control in extension "Telephone Directory" (telephonedirectory)
CVE-2026-77146 8.3 HIGH Broken Access Control in extension "femanager" (femanager)
CVE-2026-77134 8.3 HIGH Broken Access Control in extension "femanager" (femanager)
CVE-2026-77135 8.2 HIGH Information Disclosure in extension "femanager" (femanager)
CVE-2026-56095 7.7 HIGH Insecure Deserialization in extension "Apache Solr for TYPO3 - Enterprise Search" (solr)
CVE-2026-77137 7.7 HIGH SQL Injection in extension "Forms Export" (frp_form_answers)
CVE-2026-77129 7.7 HIGH Server-Side Template Injection in extension "Event management and registration" (sf_event_
CVE-2026-56092 7.6 HIGH Broken Access Control in extension "Apache Solr for TYPO3 - Enterprise Search" (solr)
CVE-2026-77145 7.1 HIGH Broken Access Control in extension "Events 2" (events2)
CVE-2026-77144 7.1 HIGH Broken Access Control in extension "Events 2" (events2)
CVE-2026-56094 6.3 MEDIUM Information Disclosure in extension "Apache Solr for TYPO3 - Enterprise Search" (solr)
CVE-2026-56093 6.3 MEDIUM Broken Access Control in extension "Apache Solr for TYPO3 - Enterprise Search" (solr)
CVE-2026-56096 6.3 MEDIUM Information Disclosure in extension "Apache Solr for TYPO3 - Enterprise Search" (solr)
CVE-2026-77128 6.3 MEDIUM Broken Access Control in extension "Event management and registration" (sf_event_mgt)
CVE-2026-77139 6.0 MEDIUM Path Traversal in extension "Mask" (mask)

Showing top 20 of 24 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Extension "SYSSY - TYPO3 Monitoring & Security Checks"
Same vendor: TYPO3
Same weakness: CWE-613