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    10 vulnerabilities by bulwarkmail

    CVE-2026-35389 (GCVE-0-2026-35389)

    Vulnerability from nvd – Published: 2026-04-06 20:11 – Updated: 2026-04-07 16:19
    VLAI
    Title
    Bulwark Webmail S/MIME signature verification accepted self-signed certificates
    Summary
    Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to 1.4.11, S/MIME signature verification did not validate the certificate trust chain (checkChain: false). Any email signed with a self-signed or untrusted certificate was displayed as having a valid signature. This vulnerability is fixed in 1.4.11.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-295 - Improper Certificate Validation
    Assigner
    References
    Impacted products
    Vendor Product Version
    bulwarkmail webmail Affected: < 1.4.11
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-35391 (GCVE-0-2026-35391)

    Vulnerability from nvd – Published: 2026-04-06 20:17 – Updated: 2026-04-07 15:09
    VLAI
    Title
    Bulwark Webmail getClientIP() trusted client-controlled X-Forwarded-For value, enabling rate limit bypass and audit log forgery
    Summary
    Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to 1.4.11, the getClientIP() function in lib/admin/session.ts trusted the first (leftmost) entry of the X-Forwarded-For header, which is fully controlled by the client. An attacker could forge their source IP address to bypass IP-based rate limiting (enabling brute-force attacks against the admin login) or forge audit log entries (making malicious activity appear to originate from arbitrary IP addresses). This vulnerability is fixed in 1.4.11.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-348 - Use of Less Trusted Source
    Assigner
    References
    Impacted products
    Vendor Product Version
    bulwarkmail webmail Affected: < 1.4.11
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-35390 (GCVE-0-2026-35390)

    Vulnerability from nvd – Published: 2026-04-06 20:13 – Updated: 2026-04-07 19:33
    VLAI
    Title
    Content-Security-Policy was set to Report-Only mode, failing to block XSS attacks
    Summary
    Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to 1.4.11, the reverse proxy (proxy.ts) set the Content-Security-Policy-Report-Only header instead of the enforcing Content-Security-Policy header. This means cross-site scripting (XSS) attacks were logged but not blocked. Any user who could inject script content (e.g., via crafted email HTML) could execute arbitrary JavaScript in the context of the application, potentially stealing session tokens or performing actions on behalf of the user. This vulnerability is fixed in 1.4.11.
    Severity
    5.3 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
    6.1 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    Impacted products
    Vendor Product Version
    bulwarkmail webmail Affected: < 1.4.11
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-34834 (GCVE-0-2026-34834)

    Vulnerability from nvd – Published: 2026-04-02 19:11 – Updated: 2026-04-03 18:11
    VLAI
    Title
    Bulwark Webmail: Authentication Bypass in verifyIdentity() due to missing cookie validation
    Summary
    Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to version 1.4.10, the verifyIdentity() function contained logic that returned true if no session cookies were present. This allowed unauthenticated attackers to bypass security checks and access/modify user settings via the /api/settings endpoint by providing arbitrary headers. This issue has been patched in version 1.4.10.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-287 - Improper Authentication
    Assigner
    References
    Impacted products
    Vendor Product Version
    bulwarkmail webmail Affected: < 1.4.10
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-34833 (GCVE-0-2026-34833)

    Vulnerability from nvd – Published: 2026-04-02 19:11 – Updated: 2026-04-03 15:40
    VLAI
    Title
    Bulwark Webmail: Information Exposure: password returned in /api/auth/session
    Summary
    Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to version 1.4.10, the GET /api/auth/session endpoint previously included the user's plaintext password in the JSON response. This exposed credentials to browser logs, local caches, and network proxie. This issue has been patched in version 1.4.10.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-312 - Cleartext Storage of Sensitive Information
    Assigner
    References
    Impacted products
    Vendor Product Version
    bulwarkmail webmail Affected: < 1.4.10
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-35391 (GCVE-0-2026-35391)

    Vulnerability from cvelistv5 – Published: 2026-04-06 20:17 – Updated: 2026-04-07 15:09
    VLAI
    Title
    Bulwark Webmail getClientIP() trusted client-controlled X-Forwarded-For value, enabling rate limit bypass and audit log forgery
    Summary
    Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to 1.4.11, the getClientIP() function in lib/admin/session.ts trusted the first (leftmost) entry of the X-Forwarded-For header, which is fully controlled by the client. An attacker could forge their source IP address to bypass IP-based rate limiting (enabling brute-force attacks against the admin login) or forge audit log entries (making malicious activity appear to originate from arbitrary IP addresses). This vulnerability is fixed in 1.4.11.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-348 - Use of Less Trusted Source
    Assigner
    References
    Impacted products
    Vendor Product Version
    bulwarkmail webmail Affected: < 1.4.11
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-35390 (GCVE-0-2026-35390)

    Vulnerability from cvelistv5 – Published: 2026-04-06 20:13 – Updated: 2026-04-07 19:33
    VLAI
    Title
    Content-Security-Policy was set to Report-Only mode, failing to block XSS attacks
    Summary
    Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to 1.4.11, the reverse proxy (proxy.ts) set the Content-Security-Policy-Report-Only header instead of the enforcing Content-Security-Policy header. This means cross-site scripting (XSS) attacks were logged but not blocked. Any user who could inject script content (e.g., via crafted email HTML) could execute arbitrary JavaScript in the context of the application, potentially stealing session tokens or performing actions on behalf of the user. This vulnerability is fixed in 1.4.11.
    Severity
    5.3 (Medium)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
    6.1 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    Impacted products
    Vendor Product Version
    bulwarkmail webmail Affected: < 1.4.11
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-35389 (GCVE-0-2026-35389)

    Vulnerability from cvelistv5 – Published: 2026-04-06 20:11 – Updated: 2026-04-07 16:19
    VLAI
    Title
    Bulwark Webmail S/MIME signature verification accepted self-signed certificates
    Summary
    Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to 1.4.11, S/MIME signature verification did not validate the certificate trust chain (checkChain: false). Any email signed with a self-signed or untrusted certificate was displayed as having a valid signature. This vulnerability is fixed in 1.4.11.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-295 - Improper Certificate Validation
    Assigner
    References
    Impacted products
    Vendor Product Version
    bulwarkmail webmail Affected: < 1.4.11
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-34834 (GCVE-0-2026-34834)

    Vulnerability from cvelistv5 – Published: 2026-04-02 19:11 – Updated: 2026-04-03 18:11
    VLAI
    Title
    Bulwark Webmail: Authentication Bypass in verifyIdentity() due to missing cookie validation
    Summary
    Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to version 1.4.10, the verifyIdentity() function contained logic that returned true if no session cookies were present. This allowed unauthenticated attackers to bypass security checks and access/modify user settings via the /api/settings endpoint by providing arbitrary headers. This issue has been patched in version 1.4.10.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-287 - Improper Authentication
    Assigner
    References
    Impacted products
    Vendor Product Version
    bulwarkmail webmail Affected: < 1.4.10
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-34833 (GCVE-0-2026-34833)

    Vulnerability from cvelistv5 – Published: 2026-04-02 19:11 – Updated: 2026-04-03 15:40
    VLAI
    Title
    Bulwark Webmail: Information Exposure: password returned in /api/auth/session
    Summary
    Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to version 1.4.10, the GET /api/auth/session endpoint previously included the user's plaintext password in the JSON response. This exposed credentials to browser logs, local caches, and network proxie. This issue has been patched in version 1.4.10.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-312 - Cleartext Storage of Sensitive Information
    Assigner
    References
    Impacted products
    Vendor Product Version
    bulwarkmail webmail Affected: < 1.4.10
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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