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CVE-2026-91199

5.0 · MEDIUM

Refly through 1.1.0 contains a server-side request forgery vulnerability in the POST /v1/misc/scrape endpoint that fetches caller-supplied URLs without validating the scheme, host, or resolved addr…

Published Sep 14, 2026CWE-918EPSS 0.34%

Overview

CVE-2026-91199 is a medium-severity vulnerability. It was published on September 14, 2026 and has a CVSS 3.1 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Refly through 1.1.0 contains a server-side request forgery vulnerability in the POST /v1/misc/scrape endpoint that fetches caller-supplied URLs without validating the scheme, host, or resolved address. Authenticated attackers can make the backend issue requests to loopback, private, and link-local addresses including cloud metadata services to read page titles and descriptions of internal resources.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/refly-ai/reflyGitHubgithub.com/refly-ai/refly/blob/77fb0ca184251bba7380cbac2dbdf7a6c9944652/apps/api/src/modules/misc/misc.controller.ts#L38-L43GitHubgithub.com/refly-ai/refly/blob/77fb0ca184251bba7380cbac2dbdf7a6c9944652/packages/utils/src/scrape-weblink.tsGitHubgithub.com/refly-ai/refly/issues/2280Refwww.vulncheck.com/advisories/refly-through-1.1.0-server-side-request-forgery-via-scrape-endpoint

How CyberStrike helps

Frequently asked questions

What is CVE-2026-91199?

CVE-2026-91199 is a medium-severity vulnerability. It was published on September 14, 2026 and has a CVSS 3.1 base score of 5.0 (MEDIUM).

How severe is CVE-2026-91199?

This vulnerability has a CVSS 3.1 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-91199?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-91199?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-91199 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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