CVE-2017-0881

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

An error in the implementation of an autosubscribe feature in the check_stream_exists route of the Zulip group chat application server before 1.4.3 allowed an authenticated user to subscribe to a private stream that should have required an invitation from an existing member to join. The issue affects all previously released versions of the Zulip server.

Metrics

CVSS 3.0 4.3/10CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-200CWE-863

Affected software

VendorProductVersions
n/aZulip Server Versions 1.4.2 and belowZulip Server Versions 1.4.2 and below

References

Timeline

Published
Mar 28, 2017
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2017-0881: Medium severity, CVSS 4.3 | Vulnix