Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-39955— Cacti has Pre-Authentication SQL Injection via unanchored FILTER_VALIDATE_REGEXP in graph_view.php

Quick assessment

Affected
Cacti cacti
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cacti是Cacti团队开源的一款日志分析与审计软件。 Cacti 1.2.30及之前版本存在SQL注入漏洞，该漏洞源于未绑定FILTER_VALIDATE_REGEXP导致预认证SQL注入。

CVSS 9.8 · Critical EPSS 0.58% · P47

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Cacti cacti < 1.2.31 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-39955

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Cacti has Pre-Authentication SQL Injection via unanchored FILTER_VALIDATE_REGEXP in graph_view.php
Source: CVE Program / CVE List V5
Vulnerability Description
Cacti is an open source performance and fault management framework. Versions 1.2.30 and prior have pre-authentication SQL Injection via unanchored FILTER_VALIDATE_REGEXP in graph_view.php. This issue has been fixed in version 1.2.31.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Cacti SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cacti是Cacti团队开源的一款日志分析与审计软件。 Cacti 1.2.30及之前版本存在SQL注入漏洞，该漏洞源于未绑定FILTER_VALIDATE_REGEXP导致预认证SQL注入。
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
Cacti cacti < 1.2.31 -

II. Public POCs for CVE-2026-39955

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7391 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-39955

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-39955 (1)

Same Patch Batch · Cacti · 2026-06-24 · 10 CVEs total

CVE-2026-39893 9.8 CRITICAL Cacti: Pre-authentication SQL injection via rfilter RLIKE clause in graph_view.php
CVE-2026-39938 9.8 CRITICAL Cacti: Unauthenticated RCE on Graph Image
CVE-2026-39951 7.6 HIGH Cacti: Stored SQL Injection via graph_name_regexp in Reports feature
CVE-2026-39894 2.9 LOW Cacti: RRDtool metric shift via LC_NUMERIC locale comma decimal formatting
CVE-2026-39900 Cacti: Reflected XSS via tab parameter in auth_profile.php JavaScript context
CVE-2026-39897 Cacti has a Reflected XSS Vulnerability via html_auth_footer
CVE-2026-39948 Cacti has SQL Injection via rfilter parameter in RLIKE clauses
CVE-2026-39899 Cacti: Path Traversal via filename parameter in package_import.php
CVE-2026-40079 Cacti: Command Injection via escape_command() no-op in RRDtool execution

IV. Related Vulnerabilities

Same product: cacti
Same vendor: Cacti
Same weakness: CWE-89

V. Comments for CVE-2026-39955

No comments yet

Leave a comment