CVE-2026-82638: jina-ai reader Server-Side Request Forgery via disabled private-address guard

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-30 · updated 2026-09-01
Weakness: CWE-918

Description

jina-ai reader disables its private-address guard outside Google Cloud deployments, allowing unauthenticated attackers to perform server-side request forgery. Attackers can supply publicly resolvable hostnames mapping to private addresses to retrieve cloud metadata and internal service content.

References

https://github.com/jina-ai/reader
https://github.com/jina-ai/reader/blob/1574bfd380d249c86c82db4dace0d9c8fe17e2b1/src/services/misc.ts
https://github.com/jina-ai/reader/issues/1253
https://www.vulncheck.com/advisories/jina-ai-reader-server-side-request-forgery-via-disabled-private-address-guard
https://github.com/jina-ai/reader/issues/1253

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