Track vulnerabilities like this one. Sign up free to get alerted when software you use is affected.
7.0

crawlseo before 0.2.4 can expose internal services

CVE-2026-115411 · published 13 days ago
Summary

The crawlseo tool (versions earlier than 0.2.4) can be tricked into contacting internal or cloud metadata addresses when an attacker adds a malicious domain. This lets the attacker see basic information about those internal pages, giving them a view of your internal network. Upgrade to version 0.2.4 or later, and limit the crawler's access to only trusted external sites.

What to do
  • Update crawlseo crawlseo to version 0.2.4 or later.
Affected software
VendorProductAffected versions
crawlseo crawlseo < 0.2.4
Original advisory text
crawlseo before 0.2.4 Server-Side Request Forgery via Crawler
crawlseo before version 0.2.4 contains a server-side request forgery vulnerability in its crawler engine where isPrivateIp() fails to block reserved IP ranges such as RFC 6598 Carrier-Grade NAT, RFC 6890, TEST-NET ranges and certain IPv6 addresses, and additionally fails to pin the validated address for the actual outbound connection, allowing a TOCTOU DNS rebinding bypass. An authenticated attacker can add a malicious domain that resolves to an internal or restricted address, trigger a crawl to reach internal services or cloud metadata endpoints like 169.254.169.254, and retrieve the fetched page's title, description, headings, status code and links through the crawl results API, enabling internal network reconnaissance.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
7.0 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-918Server-Side Request Forgery (SSRF)
Timeline
Published22 Oct 2026
Updated3 Nov 2026
First seen22 Oct 2026
Sources
CVE-2026-115411 · NVD
CVE-2026-115411 · MITRE
CVE-2026-115411 · OSV
Track software like this
Free during beta