Feedbin Entries Text API ID information disclosure

Summaryinfo

A vulnerability described as problematic has been identified in Feedbin. This issue affects some unknown processing of the component Entries Text API. The manipulation of the argument ID results in information disclosure. This vulnerability is cataloged as CVE-2026-65319. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Feedbin (unknown version). It has been classified as problematic. Affected is an unknown code block of the component Entries Text API. The manipulation of the argument id with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-65319 since 07/21/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/22/2026). This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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• Feedbin

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