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Vulnerability record · CVE-2026-65319 · published 21 July 2026

CVE-2026-65319: Missing authentication for critical function vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.51% · top 59.2% CWE-306 · Missing authentication for critical function Deferred
8.7CVSS 4.0 base score
0.51%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
23 Jul 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
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
https://github.com/geo-chen/oss/blob/main/feedbin.md

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Source: NIST National Vulnerability Database (record CVE-2026-65319), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.