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14 vulnerabilities found for bookwyrm by bookwyrm-social
CVE-2026-86113 (GCVE-0-2026-86113)
Vulnerability from nvd – Published: 2026-09-05 09:59 – Updated: 2026-09-08 13:49
VLAI
EPSS
VEX
Title
BookWyrm through 0.9.1 Insecure Direct Object Reference in edit-readthrough Allows Tampering with Other Users' Reading Records
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 13:48 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/geo-chen/oss/blob/main/bookwyr… | technical-description |
| https://github.com/bookwyrm-social/bookwyrm/blob/… | technical-description |
| https://github.com/bookwyrm-social/bookwyrm | product |
| https://www.vulncheck.com/advisories/bookwyrm-thr… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bookwyrm-social | bookwyrm |
Affected:
0 , ≤ 0.9.1
(semver)
cpe:2.3:a:joinbookwyrm:bookwyrm:*:*:*:*:*:*:*:* |
Date Public
2026-09-04 00:00
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CVE-2026-86112 (GCVE-0-2026-86112)
Vulnerability from nvd – Published: 2026-09-05 09:59 – Updated: 2026-09-10 15:05
VLAI
EPSS
VEX
Title
BookWyrm through 0.9.1 Missing Authorization on the Favorite and Unfavorite Endpoints
Summary
BookWyrm through 0.9.1 fails to validate user visibility permissions in the Favorite and Unfavorite views, allowing authenticated attackers to favorite or unfavorite followers-only and direct statuses they cannot access. Attackers can POST to the favorite endpoint with a status ID to create unauthorized interactions, trigger ActivityPub broadcasts, and enumerate private status IDs through response differentiation.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 14:19 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/geo-chen/oss/blob/main/bookwyr… | technical-description |
| https://github.com/bookwyrm-social/bookwyrm/blob/… | technical-description |
| https://github.com/bookwyrm-social/bookwyrm | product |
| https://www.vulncheck.com/advisories/bookwyrm-thr… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bookwyrm-social | bookwyrm |
Affected:
0 , ≤ 0.9.1
(semver)
cpe:2.3:a:joinbookwyrm:bookwyrm:*:*:*:*:*:*:*:* |
Date Public
2026-09-04 00:00
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CVE-2026-86111 (GCVE-0-2026-86111)
Vulnerability from nvd – Published: 2026-09-05 09:59 – Updated: 2026-09-08 18:08
VLAI
EPSS
VEX
Title
BookWyrm through 0.9.1 Insecure Direct Object Reference in EditStatus Exposes Followers-Only and Direct Statuses
Summary
BookWyrm through 0.9.1 fails to validate user visibility permissions in the status edit endpoint, allowing authenticated attackers to read followers-only and direct-message reviews by enumerating sequential status IDs. Attackers can access the raw content of restricted statuses through the edit view, bypassing the privacy protections documented for these message types.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 18:07 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/geo-chen/oss/blob/main/bookwyr… | technical-description |
| https://github.com/bookwyrm-social/bookwyrm/blob/… | technical-description |
| https://github.com/bookwyrm-social/bookwyrm/blob/… | technical-description |
| https://github.com/bookwyrm-social/bookwyrm | product |
| https://www.vulncheck.com/advisories/bookwyrm-thr… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bookwyrm-social | bookwyrm |
Affected:
0 , ≤ 0.9.1
(semver)
cpe:2.3:a:joinbookwyrm:bookwyrm:*:*:*:*:*:*:*:* |
Date Public
2026-09-04 00:00
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CVE-2022-35953 (GCVE-0-2022-35953)
Vulnerability from nvd – Published: 2022-08-12 20:15 – Updated: 2025-04-22 17:42
VLAI
EPSS
VEX
Title
URL Redirection to Untrusted Site ('Open Redirect') in bookwyrm
Summary
BookWyrm is a social network for tracking your reading, talking about books, writing reviews, and discovering what to read next. Some links in BookWyrm may be vulnerable to tabnabbing, a form of phishing that gives attackers an opportunity to redirect a user to a malicious site. The issue was patched in version 0.4.5.
Severity
7.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-22 15:45 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/bookwyrm-social/bookwyrm/secur… | x_refsource_CONFIRM |
| https://huntr.dev/bounties/67ca22bd-19c6-466b-955… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bookwyrm-social | bookwyrm |
Affected:
< 0.4.5
|
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CVE-2022-35925 (GCVE-0-2022-35925)
Vulnerability from nvd – Published: 2022-08-02 20:15 – Updated: 2025-04-22 17:43
VLAI
EPSS
VEX
Title
Missing rate limit in Authentication in bookwyrm
Summary
BookWyrm is a social network for tracking reading. Versions prior to 0.4.5 were found to lack rate limiting on authentication views which allows brute-force attacks. This issue has been patched in version 0.4.5. Admins with existing instances will need to update their `nginx.conf` file that was created when the instance was set up. Users are advised advised to upgrade. Users unable to upgrade may update their nginx.conf files with the changes manually.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-22 15:39 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
References
3 references
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Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bookwyrm-social | bookwyrm |
Affected:
< 0.4.5
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CVE-2022-31136 (GCVE-0-2022-31136)
Vulnerability from nvd – Published: 2022-07-07 17:55 – Updated: 2025-04-23 18:04
VLAI
EPSS
VEX
Title
Cross-site Scripting in BookWyrm
Summary
Bookwyrm is an open source social reading and reviewing program. Versions of Bookwyrm prior to 0.4.1 did not properly sanitize html being rendered to users. Unprivileged users are able to inject scripts into user profiles, book descriptions, and statuses. These vulnerabilities may be exploited as cross site scripting attacks on users viewing these fields. Users are advised to upgrade to version 0.4.1. There are no known workarounds for this issue.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 14:03 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/bookwyrm-social/bookwyrm/secur… | x_refsource_CONFIRM |
| https://github.com/bookwyrm-social/bookwyrm/commi… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bookwyrm-social | bookwyrm |
Affected:
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CVE-2022-23644 (GCVE-0-2022-23644)
Vulnerability from nvd – Published: 2022-02-16 18:20 – Updated: 2025-04-23 19:03
VLAI
EPSS
VEX
Title
Server-side request forgery in BookWyrm
Summary
BookWyrm is a decentralized social network for tracking reading habits and reviewing books. The functionality to load a cover via url is vulnerable to a server-side request forgery attack. Any BookWyrm instance running a version prior to v0.3.0 is susceptible to attack from a logged-in user. The problem has been patched and administrators should upgrade to version 0.3.0 As a workaround, BookWyrm instances can close registration and limit members to trusted individuals.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 15:56 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/bookwyrm-social/bookwyrm/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bookwyrm-social | bookwyrm |
Affected:
< 0.3.0
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CVE-2026-86113 (GCVE-0-2026-86113)
Vulnerability from cvelistv5 – Published: 2026-09-05 09:59 – Updated: 2026-09-08 13:49
VLAI
EPSS
VEX
Title
BookWyrm through 0.9.1 Insecure Direct Object Reference in edit-readthrough Allows Tampering with Other Users' Reading Records
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 13:48 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/geo-chen/oss/blob/main/bookwyr… | technical-description |
| https://github.com/bookwyrm-social/bookwyrm/blob/… | technical-description |
| https://github.com/bookwyrm-social/bookwyrm | product |
| https://www.vulncheck.com/advisories/bookwyrm-thr… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bookwyrm-social | bookwyrm |
Affected:
0 , ≤ 0.9.1
(semver)
cpe:2.3:a:joinbookwyrm:bookwyrm:*:*:*:*:*:*:*:* |
Date Public
2026-09-04 00:00
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CVE-2026-86112 (GCVE-0-2026-86112)
Vulnerability from cvelistv5 – Published: 2026-09-05 09:59 – Updated: 2026-09-10 15:05
VLAI
EPSS
VEX
Title
BookWyrm through 0.9.1 Missing Authorization on the Favorite and Unfavorite Endpoints
Summary
BookWyrm through 0.9.1 fails to validate user visibility permissions in the Favorite and Unfavorite views, allowing authenticated attackers to favorite or unfavorite followers-only and direct statuses they cannot access. Attackers can POST to the favorite endpoint with a status ID to create unauthorized interactions, trigger ActivityPub broadcasts, and enumerate private status IDs through response differentiation.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 14:19 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/geo-chen/oss/blob/main/bookwyr… | technical-description |
| https://github.com/bookwyrm-social/bookwyrm/blob/… | technical-description |
| https://github.com/bookwyrm-social/bookwyrm | product |
| https://www.vulncheck.com/advisories/bookwyrm-thr… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bookwyrm-social | bookwyrm |
Affected:
0 , ≤ 0.9.1
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cpe:2.3:a:joinbookwyrm:bookwyrm:*:*:*:*:*:*:*:* |
Date Public
2026-09-04 00:00
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CVE-2026-86111 (GCVE-0-2026-86111)
Vulnerability from cvelistv5 – Published: 2026-09-05 09:59 – Updated: 2026-09-08 18:08
VLAI
EPSS
VEX
Title
BookWyrm through 0.9.1 Insecure Direct Object Reference in EditStatus Exposes Followers-Only and Direct Statuses
Summary
BookWyrm through 0.9.1 fails to validate user visibility permissions in the status edit endpoint, allowing authenticated attackers to read followers-only and direct-message reviews by enumerating sequential status IDs. Attackers can access the raw content of restricted statuses through the edit view, bypassing the privacy protections documented for these message types.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 18:07 UTC
CWE
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/geo-chen/oss/blob/main/bookwyr… | technical-description |
| https://github.com/bookwyrm-social/bookwyrm/blob/… | technical-description |
| https://github.com/bookwyrm-social/bookwyrm/blob/… | technical-description |
| https://github.com/bookwyrm-social/bookwyrm | product |
| https://www.vulncheck.com/advisories/bookwyrm-thr… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bookwyrm-social | bookwyrm |
Affected:
0 , ≤ 0.9.1
(semver)
cpe:2.3:a:joinbookwyrm:bookwyrm:*:*:*:*:*:*:*:* |
Date Public
2026-09-04 00:00
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CVE-2022-35953 (GCVE-0-2022-35953)
Vulnerability from cvelistv5 – Published: 2022-08-12 20:15 – Updated: 2025-04-22 17:42
VLAI
EPSS
VEX
Title
URL Redirection to Untrusted Site ('Open Redirect') in bookwyrm
Summary
BookWyrm is a social network for tracking your reading, talking about books, writing reviews, and discovering what to read next. Some links in BookWyrm may be vulnerable to tabnabbing, a form of phishing that gives attackers an opportunity to redirect a user to a malicious site. The issue was patched in version 0.4.5.
Severity
7.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-22 15:45 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/bookwyrm-social/bookwyrm/secur… | x_refsource_CONFIRM |
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Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bookwyrm-social | bookwyrm |
Affected:
< 0.4.5
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CVE-2022-35925 (GCVE-0-2022-35925)
Vulnerability from cvelistv5 – Published: 2022-08-02 20:15 – Updated: 2025-04-22 17:43
VLAI
EPSS
VEX
Title
Missing rate limit in Authentication in bookwyrm
Summary
BookWyrm is a social network for tracking reading. Versions prior to 0.4.5 were found to lack rate limiting on authentication views which allows brute-force attacks. This issue has been patched in version 0.4.5. Admins with existing instances will need to update their `nginx.conf` file that was created when the instance was set up. Users are advised advised to upgrade. Users unable to upgrade may update their nginx.conf files with the changes manually.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-22 15:39 UTC
CWE
- CWE-287 - Improper Authentication
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/bookwyrm-social/bookwyrm/secur… | x_refsource_CONFIRM |
| https://huntr.dev/bounties/ebee593d-3fd0-4985-bf5… | x_refsource_MISC |
| https://www.github.com/bookwyrm-social/bookwyrm/c… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bookwyrm-social | bookwyrm |
Affected:
< 0.4.5
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CVE-2022-31136 (GCVE-0-2022-31136)
Vulnerability from cvelistv5 – Published: 2022-07-07 17:55 – Updated: 2025-04-23 18:04
VLAI
EPSS
VEX
Title
Cross-site Scripting in BookWyrm
Summary
Bookwyrm is an open source social reading and reviewing program. Versions of Bookwyrm prior to 0.4.1 did not properly sanitize html being rendered to users. Unprivileged users are able to inject scripts into user profiles, book descriptions, and statuses. These vulnerabilities may be exploited as cross site scripting attacks on users viewing these fields. Users are advised to upgrade to version 0.4.1. There are no known workarounds for this issue.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 14:03 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/bookwyrm-social/bookwyrm/secur… | x_refsource_CONFIRM |
| https://github.com/bookwyrm-social/bookwyrm/commi… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bookwyrm-social | bookwyrm |
Affected:
< 0.4.1
|
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CVE-2022-23644 (GCVE-0-2022-23644)
Vulnerability from cvelistv5 – Published: 2022-02-16 18:20 – Updated: 2025-04-23 19:03
VLAI
EPSS
VEX
Title
Server-side request forgery in BookWyrm
Summary
BookWyrm is a decentralized social network for tracking reading habits and reviewing books. The functionality to load a cover via url is vulnerable to a server-side request forgery attack. Any BookWyrm instance running a version prior to v0.3.0 is susceptible to attack from a logged-in user. The problem has been patched and administrators should upgrade to version 0.3.0 As a workaround, BookWyrm instances can close registration and limit members to trusted individuals.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 15:56 UTC
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/bookwyrm-social/bookwyrm/secur… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bookwyrm-social | bookwyrm |
Affected:
< 0.3.0
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