BookWyrm through 0.9.1 contains an authorization bypass vulnerability in the edit_readthrough function that allows authenticated users to modify other users' reading records. Attackers can exploit sequential ReadThrough IDs to overwrite arbitrary users' start dates, finish dates, progress, and progress mode, affecting reading statistics and exported data.

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Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 08 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 07 Sep 2026 08:45:00 +0000

Type Values Removed Values Added
First Time appeared Bookwyrm-social
Bookwyrm-social bookwyrm
Vendors & Products Bookwyrm-social
Bookwyrm-social bookwyrm

Sat, 05 Sep 2026 10:15:00 +0000

Type Values Removed Values Added
Description BookWyrm through 0.9.1 contains an authorization bypass vulnerability in the edit_readthrough function that allows authenticated users to modify other users' reading records. Attackers can exploit sequential ReadThrough IDs to overwrite arbitrary users' start dates, finish dates, progress, and progress mode, affecting reading statistics and exported data.
Title BookWyrm through 0.9.1 Insecure Direct Object Reference in edit-readthrough Allows Tampering with Other Users' Reading Records
First Time appeared Joinbookwyrm
Joinbookwyrm bookwyrm
Weaknesses CWE-639
CPEs cpe:2.3:a:joinbookwyrm:bookwyrm:*:*:*:*:*:*:*:*
Vendors & Products Joinbookwyrm
Joinbookwyrm bookwyrm
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-08T13:49:23.019Z

Reserved: 2026-09-05T01:59:19.915Z

Link: CVE-2026-86113

cve-icon Vulnrichment

Updated: 2026-09-08T13:49:19.121Z

cve-icon NVD

Status : Deferred

Published: 2026-09-05T10:16:42.273

Modified: 2026-09-08T20:05:53.177

Link: CVE-2026-86113

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-07T08:25:20Z

Weaknesses