CVE-2026-86113— BookWyrm through 0.9.1 Insecure Direct Object Reference in edit-readthrough Allows Tampering with Other Users' Reading Records
Quick assessment
Affected
bookwyrm-social bookwyrm
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
BookWyrm 0.9.1 及更早版本中存在一个授权绕过漏洞，位于 函数中，允许已认证用户修改其他用户的阅读记录。攻击者可以利用顺序分配的 ReadThrough ID，覆盖任意用户的开始日期、完成日期、进度及进度模式，从而影响阅读统计数据及导出的数据。
Possible ATT&CK Techniques 1 AI
T1079Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| bookwyrm-social | bookwyrm | ≤ 0.9.1 |
affected |
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I. Basic Information for CVE-2026-86113
Vulnerability Information
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Vulnerability Title
BookWyrm through 0.9.1 Insecure Direct Object Reference in edit-readthrough Allows Tampering with Other Users' Reading Records
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| bookwyrm-social | bookwyrm | 0 ~ 0.9.1 | - |
|
II. Public POCs for CVE-2026-86113
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2026-86113 (1)
Vendor Advisories for CVE-2026-86113 (1)
Proof of Concept for CVE-2026-86113 (1)
Vendor Pages for CVE-2026-86113 (1)
Same Patch Batch · bookwyrm-social · 2026-09-05 · 3 CVEs total
| CVE-2026-86111 | 6.5 MEDIUM | BookWyrm through 0.9.1 Insecure Direct Object Reference in EditStatus Exposes Followers-On |
| CVE-2026-86112 | 5.4 MEDIUM | BookWyrm through 0.9.1 Missing Authorization on the Favorite and Unfavorite Endpoints |
IV. Related Vulnerabilities
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Same weakness: CWE-639
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V. Comments for CVE-2026-86113
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