What’s Vulnerable › Vulnerabilities

CVE-2026-91199: Refly through 1.1.0 Server-Side Request Forgery via scrape endpoint

• Severity: medium (CVSS 5.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-14 · updated 2026-09-23
• Weakness: CWE-918

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.

Affected products

• refly-ai refly: through 1.1.0

References

• https://github.com/refly-ai/refly
• https://github.com/refly-ai/refly/blob/77fb0ca184251bba7380cbac2dbdf7a6c9944652/apps/api/src/modules/misc/misc.controller.ts#L38-L43
• https://github.com/refly-ai/refly/blob/77fb0ca184251bba7380cbac2dbdf7a6c9944652/packages/utils/src/scrape-weblink.ts
• https://github.com/refly-ai/refly/issues/2280
• https://www.vulncheck.com/advisories/refly-through-1.1.0-server-side-request-forgery-via-scrape-endpoint

Get alerted when CVE-2026-91199 or the next vulnerability affects your stack