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10 vulnerabilities by bitwarden
CVE-2026-43640 (GCVE-0-2026-43640)
Vulnerability from cvelistv5 – Published: 2026-05-11 17:14 – Updated: 2026-05-13 14:41 X_Open Source
VLAI
Title
Bitwarden Server < 2026.4.1 Authentication Bypass via SCIM API Key
Summary
Bitwarden Server prior to v2026.4.1 does not require master-password re-authentication when retrieving or rotating an organization's SCIM API key, allowing an authenticated user with SCIM management privileges to obtain the key using only a valid session.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-303 - Incorrect Implementation of Authentication Algorithm
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://sanjokkarki.com.np/blog/bitwarden-scim-ke… | technical-descriptionexploit |
| https://github.com/bitwarden/server/releases/tag/… | release-notes |
| https://github.com/bitwarden/server/pull/7403 | issue-tracking |
| https://github.com/bitwarden/server/commit/eb251d… | patch |
| https://www.vulncheck.com/advisories/bitwarden-se… | third-party-advisory |
Impacted products
Date Public
2026-05-05 00:00
Credits
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CVE-2026-43639 (GCVE-0-2026-43639)
Vulnerability from cvelistv5 – Published: 2026-05-11 17:14 – Updated: 2026-05-11 19:14 X_Open Source
VLAI
Title
Bitwarden Server < 2026.4.0 Missing Authorization via Provider Clients
Summary
Bitwarden Server prior to v2026.4.0 contains a missing authorization vulnerability that allows a provider service user to add an arbitrary organization to their provider via `POST /providers/{providerId}/clients/existing`, resulting in takeover of the target organization; self-hosted installations are unaffected as this endpoint is restricted to Cloud via SelfHosted(NotSelfHostedOnly = true).
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://sanjokkarki.com.np/blog/bitwarden-provide… | technical-descriptionexploit |
| https://github.com/bitwarden/server/releases/tag/… | release-notes |
| https://github.com/bitwarden/server/pull/7372 | issue-tracking |
| https://github.com/bitwarden/server/commit/0918bf… | patch |
| https://www.vulncheck.com/advisories/bitwarden-se… | third-party-advisory |
Impacted products
Date Public
2026-04-21 00:00
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CVE-2026-43638 (GCVE-0-2026-43638)
Vulnerability from cvelistv5 – Published: 2026-05-11 17:13 – Updated: 2026-05-11 19:03 X_Open Source
VLAI
Title
Bitwarden Server < 2026.4.1 Missing Authorization via Organization Cipher Import
Summary
Bitwarden Server prior to v2026.4.1 contains a missing authorization vulnerability that allows any authenticated user to write ciphers into an arbitrary organization via `POST /ciphers/import-organization` by submitting an empty `collections` array, which causes the server-side permission check to be skipped.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-862 - Missing Authorization
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://sanjokkarki.com.np/blog/bitwarden-import-… | technical-descriptionexploit |
| https://github.com/bitwarden/server/releases/tag/… | release-notes |
| https://github.com/bitwarden/server/pull/7394 | issue-tracking |
| https://github.com/bitwarden/server/commit/ebbf6d… | patch |
| https://www.vulncheck.com/advisories/bitwarden-se… | third-party-advisory |
Impacted products
Date Public
2026-04-21 00:00
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CVE-2026-42994 (GCVE-0-2026-42994)
Vulnerability from cvelistv5 – Published: 2026-05-01 04:06 – Updated: 2026-05-01 14:16
VLAI
Summary
Bitwarden CLI 2026.4.0 from 2026-04-22T21:57Z to 2026-04-22T23:30Z, when obtained from npm, had embedded malicious code. This is related to a Checkmarx supply chain incident.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Bitwarden | Bitwarden CLI |
Affected:
2026.4.0
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CVE-2023-38840 (GCVE-0-2023-38840)
Vulnerability from cvelistv5 – Published: 2023-08-15 00:00 – Updated: 2024-10-08 20:45
VLAI
Summary
Bitwarden Desktop 2023.7.0 and below allows an attacker with local access to obtain sensitive information via the Bitwarden.exe process.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
Assigner
References
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CVE-2023-27706 (GCVE-0-2023-27706)
Vulnerability from cvelistv5 – Published: 2023-06-09 00:00 – Updated: 2025-01-06 18:05
VLAI
Summary
Bitwarden Windows desktop application versions prior to v2023.4.0 store biometric keys in Windows Credential Manager, accessible to other local unprivileged processes.
Severity
7.1 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-312 - Cleartext Storage of Sensitive Information
Assigner
References
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CVE-2018-25081 (GCVE-0-2018-25081)
Vulnerability from cvelistv5 – Published: 2023-03-08 00:00 – Updated: 2024-08-19 16:40 Disputed
VLAI
Summary
Bitwarden through 2023.2.1 offers password auto-fill within a cross-domain IFRAME element. NOTE: the vendor's position is that there have been important legitimate cross-domain configurations (e.g., an apple.com IFRAME element on the icloud.com website) and that "Auto-fill on page load" is not enabled by default.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
Impacted products
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CVE-2023-27974 (GCVE-0-2023-27974)
Vulnerability from cvelistv5 – Published: 2023-03-08 00:00 – Updated: 2024-08-02 12:23 Disputed
VLAI
Summary
Bitwarden through 2023.2.1 offers password auto-fill when the second-level domain matches, e.g., a password stored for an example.com hosting provider when customer-website.example.com is visited. NOTE: the vendor's position is that "Auto-fill on page load" is not enabled by default.
Severity
No CVSS data available.
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
Assigner
References
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CVE-2020-15879 (GCVE-0-2020-15879)
Vulnerability from cvelistv5 – Published: 2020-07-21 16:59 – Updated: 2024-08-04 13:30
VLAI
Summary
Bitwarden Server 1.35.1 allows SSRF because it does not consider certain IPv6 addresses (ones beginning with fc, fd, fe, or ff, and the :: address) and certain IPv4 addresses (0.0.0.0/8, 127.0.0.0/8, and 169.254.0.0/16).
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/bitwarden/server/pull/827 | x_refsource_MISC |
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CVE-2019-19766 (GCVE-0-2019-19766)
Vulnerability from cvelistv5 – Published: 2019-12-12 18:07 – Updated: 2024-08-05 02:25
VLAI
Summary
The Bitwarden server through 1.32.0 has a potentially unwanted KDF.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/bitwarden/server/issues/589 | x_refsource_MISC |
| https://github.com/bitwarden/jslib/issues/52 | x_refsource_MISC |
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