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10 vulnerabilities by Bunkerity
CVE-2026-75514 (GCVE-0-2026-75514)
Vulnerability from nvd – Published: 2026-08-20 18:31 – Updated: 2026-08-20 19:00
VLAI
EPSS
VEX
Title
BunkerWeb: rDNS bypass via missing forward-confirmation (FCrDNS) in blacklist, greylist, and antibot
Summary
BunkerWeb is an open-source, next-generation Web Application Firewall. Prior to 1.6.13, the blacklist, greylist, and antibot modules in src/common/core/blacklist/blacklist.lua, src/common/core/greylist/greylist.lua, and src/common/core/antibot/antibot.lua trust PTR suffix matches in IGNORE_RDNS, GREYLIST_RDNS, and ANTIBOT_IGNORE_RDNS without using get_ips to confirm that the hostname resolves to the client address. An unauthenticated remote attacker who controls a PTR record can spoof a trusted suffix to bypass rDNS-based blacklisting, gain greylist treatment, or skip an antibot challenge. This issue is fixed in version 1.6.13.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 18:58 UTC
CWE
- CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/bunkerity/bunkerweb/security/a… | x_refsource_CONFIRM |
| https://github.com/bunkerity/bunkerweb/pull/3710 | x_refsource_MISC |
| https://github.com/bunkerity/bunkerweb/commit/1a9… | x_refsource_MISC |
| https://github.com/bunkerity/bunkerweb/releases/t… | x_refsource_MISC |
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CVE-2026-61718 (GCVE-0-2026-61718)
Vulnerability from nvd – Published: 2026-07-16 19:15 – Updated: 2026-07-17 18:06
VLAI
EPSS
VEX
Title
bunkerweb: Read-only Web UI users can delete job cache files due to missing authorization on /cache/ routes
Summary
bunkerweb is an Open-source and next-generation Web Application Firewall (WAF). From 1.6.2 until 1.6.12, the BunkerWeb web UI BiscuitMiddleware authorization bypass list included the /cache/ URL prefix, so routes in src/ui/app/routes/cache.py protected only by @login_required, including POST /cache/delete, allowed low-privilege read-only reader accounts to permanently delete job cache files containing blacklist, greylist, DNSBL, CrowdSec, GeoIP, ModSecurity CRS, Let's Encrypt, ACME, and custom configuration data. This issue is fixed in version 1.6.12.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 17:13 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/bunkerity/bunkerweb/security/a… | x_refsource_CONFIRM |
| https://github.com/bunkerity/bunkerweb/commit/685… | x_refsource_MISC |
| https://github.com/bunkerity/bunkerweb/releases/t… | x_refsource_MISC |
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CVE-2026-54728 (GCVE-0-2026-54728)
Vulnerability from nvd – Published: 2026-07-16 19:18 – Updated: 2026-07-17 13:47
VLAI
EPSS
VEX
Title
bunkerweb: Improper Input Validation and Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') in BunkerWeb
Summary
bunkerweb is an Open-source and next-generation Web Application Firewall (WAF). Prior to BunkerWeb 1.6.12 and BunkerWeb PRO 0.57, authenticated Host header handling in the BunkerWeb UI and API improperly validated and neutralized user-controlled input in a configuration-dependent path, allowing a low-privileged authenticated user to escalate privileges and affect confidentiality, integrity, and availability of the BunkerWeb instance. This issue is fixed in BunkerWeb version 1.6.12 and BunkerWeb PRO version 0.57.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 13:46 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/bunkerity/bunkerweb/security/a… | x_refsource_CONFIRM |
| https://github.com/bunkerity/bunkerweb/commit/685… | x_refsource_MISC |
| https://github.com/bunkerity/bunkerweb/releases/t… | x_refsource_MISC |
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CVE-2025-8066 (GCVE-0-2025-8066)
Vulnerability from nvd – Published: 2025-08-15 16:10 – Updated: 2025-08-25 22:45
VLAI
EPSS
VEX
Title
Bunker Web 1.6.2 - Uncontrolled external site redirect
Summary
URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Bunkerity Bunker Web on Linux allows Phishing.This issue affects Bunker Web: 1.6.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-15 19:12 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://fluidattacks.com/advisories/cypress | third-party-advisory |
| https://github.com/bunkerity/bunkerweb | product |
| https://github.com/bunkerity/bunkerweb/releases/t… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Bunkerity | Bunker Web |
Affected:
1.6.2 , < 1.6.4
(custom)
cpe:2.3:a:bunkerity:bunker_web:*:*:linux:*:*:*:*:* |
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CVE-2024-53264 (GCVE-0-2024-53264)
Vulnerability from nvd – Published: 2024-11-27 18:31 – Updated: 2024-11-27 19:32
VLAI
EPSS
VEX
Title
Open Redirect Vulnerability in Loading Page in bunkerweb
Summary
bunkerweb is an Open-source and next-generation Web Application Firewall (WAF). A open redirect vulnerability exists in the loading endpoint, allowing attackers to redirect authenticated users to arbitrary external URLs via the "next" parameter. The loading endpoint accepts and uses an unvalidated "next" parameter for redirects. Ex. visiting: `/loading?next=https://google.com` while authenticated will cause the page will redirect to google.com. This vulnerability could be used in phishing attacks by redirecting users from a legitimate application URL to malicious sites. This issue has been addressed in version 1.5.11. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-27 19:23 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/bunkerity/bunkerweb/security/a… | x_refsource_CONFIRM |
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CVE-2026-75514 (GCVE-0-2026-75514)
Vulnerability from cvelistv5 – Published: 2026-08-20 18:31 – Updated: 2026-08-20 19:00
VLAI
EPSS
VEX
Title
BunkerWeb: rDNS bypass via missing forward-confirmation (FCrDNS) in blacklist, greylist, and antibot
Summary
BunkerWeb is an open-source, next-generation Web Application Firewall. Prior to 1.6.13, the blacklist, greylist, and antibot modules in src/common/core/blacklist/blacklist.lua, src/common/core/greylist/greylist.lua, and src/common/core/antibot/antibot.lua trust PTR suffix matches in IGNORE_RDNS, GREYLIST_RDNS, and ANTIBOT_IGNORE_RDNS without using get_ips to confirm that the hostname resolves to the client address. An unauthenticated remote attacker who controls a PTR record can spoof a trusted suffix to bypass rDNS-based blacklisting, gain greylist treatment, or skip an antibot challenge. This issue is fixed in version 1.6.13.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 18:58 UTC
CWE
- CWE-350 - Reliance on Reverse DNS Resolution for a Security-Critical Action
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/bunkerity/bunkerweb/security/a… | x_refsource_CONFIRM |
| https://github.com/bunkerity/bunkerweb/pull/3710 | x_refsource_MISC |
| https://github.com/bunkerity/bunkerweb/commit/1a9… | x_refsource_MISC |
| https://github.com/bunkerity/bunkerweb/releases/t… | x_refsource_MISC |
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CVE-2026-54728 (GCVE-0-2026-54728)
Vulnerability from cvelistv5 – Published: 2026-07-16 19:18 – Updated: 2026-07-17 13:47
VLAI
EPSS
VEX
Title
bunkerweb: Improper Input Validation and Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') in BunkerWeb
Summary
bunkerweb is an Open-source and next-generation Web Application Firewall (WAF). Prior to BunkerWeb 1.6.12 and BunkerWeb PRO 0.57, authenticated Host header handling in the BunkerWeb UI and API improperly validated and neutralized user-controlled input in a configuration-dependent path, allowing a low-privileged authenticated user to escalate privileges and affect confidentiality, integrity, and availability of the BunkerWeb instance. This issue is fixed in BunkerWeb version 1.6.12 and BunkerWeb PRO version 0.57.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 13:46 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/bunkerity/bunkerweb/security/a… | x_refsource_CONFIRM |
| https://github.com/bunkerity/bunkerweb/commit/685… | x_refsource_MISC |
| https://github.com/bunkerity/bunkerweb/releases/t… | x_refsource_MISC |
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CVE-2026-61718 (GCVE-0-2026-61718)
Vulnerability from cvelistv5 – Published: 2026-07-16 19:15 – Updated: 2026-07-17 18:06
VLAI
EPSS
VEX
Title
bunkerweb: Read-only Web UI users can delete job cache files due to missing authorization on /cache/ routes
Summary
bunkerweb is an Open-source and next-generation Web Application Firewall (WAF). From 1.6.2 until 1.6.12, the BunkerWeb web UI BiscuitMiddleware authorization bypass list included the /cache/ URL prefix, so routes in src/ui/app/routes/cache.py protected only by @login_required, including POST /cache/delete, allowed low-privilege read-only reader accounts to permanently delete job cache files containing blacklist, greylist, DNSBL, CrowdSec, GeoIP, ModSecurity CRS, Let's Encrypt, ACME, and custom configuration data. This issue is fixed in version 1.6.12.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-17 17:13 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/bunkerity/bunkerweb/security/a… | x_refsource_CONFIRM |
| https://github.com/bunkerity/bunkerweb/commit/685… | x_refsource_MISC |
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CVE-2025-8066 (GCVE-0-2025-8066)
Vulnerability from cvelistv5 – Published: 2025-08-15 16:10 – Updated: 2025-08-25 22:45
VLAI
EPSS
VEX
Title
Bunker Web 1.6.2 - Uncontrolled external site redirect
Summary
URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Bunkerity Bunker Web on Linux allows Phishing.This issue affects Bunker Web: 1.6.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-15 19:12 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://fluidattacks.com/advisories/cypress | third-party-advisory |
| https://github.com/bunkerity/bunkerweb | product |
| https://github.com/bunkerity/bunkerweb/releases/t… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Bunkerity | Bunker Web |
Affected:
1.6.2 , < 1.6.4
(custom)
cpe:2.3:a:bunkerity:bunker_web:*:*:linux:*:*:*:*:* |
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CVE-2024-53264 (GCVE-0-2024-53264)
Vulnerability from cvelistv5 – Published: 2024-11-27 18:31 – Updated: 2024-11-27 19:32
VLAI
EPSS
VEX
Title
Open Redirect Vulnerability in Loading Page in bunkerweb
Summary
bunkerweb is an Open-source and next-generation Web Application Firewall (WAF). A open redirect vulnerability exists in the loading endpoint, allowing attackers to redirect authenticated users to arbitrary external URLs via the "next" parameter. The loading endpoint accepts and uses an unvalidated "next" parameter for redirects. Ex. visiting: `/loading?next=https://google.com` while authenticated will cause the page will redirect to google.com. This vulnerability could be used in phishing attacks by redirecting users from a legitimate application URL to malicious sites. This issue has been addressed in version 1.5.11. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-27 19:23 UTC
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/bunkerity/bunkerweb/security/a… | x_refsource_CONFIRM |
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