CVE-2026-65319: Missing Auth (CVSS 7.5)

Description

Feedbin (commit 739884a) contains an unauthenticated information disclosure vulnerability that allows unauthenticated attackers to retrieve private article content by sending requests to the entries text API endpoint, which skips the authorization before-action filter entirely. Attackers can iterate sequential integer entry IDs through the GET /api/v2/entries/:id/text endpoint to enumerate and extract plain-text content of all stored articles, including private newsletter content, personal page-saves, and articles from any user's private subscriptions.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-306 Missing Authentication

References

Other References

https://github.com/feedbin/feedbin https://github.com/feedbin/feedbin/commit/04b89b84189e4727ea19d84ea4a44015859b29cc https://github.com/geo-chen/oss/blob/main/feedbin.md https://www.vulncheck.com/advisories/feedbin-unauthenticated-entry-content-disclosure-via-get-api-v2-entries-id-text

Frequently Asked Questions

What is CVE-2026-65319? +

Feedbin (commit 739884a) contains an unauthenticated information disclosure vulnerability that allows unauthenticated attackers to retrieve private article content by sending requests to the entries text API endpoint, which skips the authorization before-action filter entirely. Attackers can iterate sequential integer entry IDs through the GET /api/v2/entries/:id/text endpoint to enumerate and extract plain-text content of all stored articles, including private newsletter content, personal page-saves, and articles from any user's private subscriptions. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-65319? +

CVE-2026-65319 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2026-65319? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-65319