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4 vulnerabilities found for collabora_online_-_built-in_code_server by collabora
CVE-2026-110447 (GCVE-0-2026-110447)
Vulnerability from nvd – Published: 2026-10-14 02:27 – Updated: 2026-10-24 03:55Summary
Collabora Online Built-in CODE Server before 26.4.303 (richdocumentscode), a Nextcloud app, allows remote code execution, as exploited in the wild in September and October 2026, a different vulnerability than CVE-2025-66208. This is an OS command injection in proxy.php when the CODE server isn't running (e.g., the product was recently restarted). The vulnerability is not present in standalone Collabora Online servers; only this deployment with CODE Server is affected.
Severity
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-23 00:00 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/CollaboraOnline/richdocumentsc… | issue-tracking |
| https://help.nextcloud.com/t/to-collabora-built-i… | vendor-advisory |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Collabora | Collabora Online - Built-in CODE Server |
Affected:
0 , < 26.4.303
(semver)
|
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CVE-2025-66208 (GCVE-0-2025-66208)
Vulnerability from nvd – Published: 2025-12-03 18:25 – Updated: 2025-12-03 18:51
VLAI
EPSS
VEX
Title
Configuration-Dependent RCE (OS Command Injection) in richdocumentscode proxy
Summary
Collabora Online - Built-in CODE Server (richdocumentscode) provides a built-in server with all of the document editing features of Collabora Online. In versions prior to 25.04.702, Collabora Online has a Configuration-Dependent RCE (OS Command Injection) in richdocumentscode proxy. Users of Nextcloud with Collabora Online - Built-in CODE Server app can be vulnerable to attack via proxy.php and an intermediate reverse proxy. This vulnerability is fixed in 25.04.702.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-03 18:51 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/CollaboraOnline/online/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CollaboraOnline | online |
Affected:
< 25.04.702
|
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CVE-2026-110447 (GCVE-0-2026-110447)
Vulnerability from cvelistv5 – Published: 2026-10-14 02:27 – Updated: 2026-10-24 03:55Summary
Collabora Online Built-in CODE Server before 26.4.303 (richdocumentscode), a Nextcloud app, allows remote code execution, as exploited in the wild in September and October 2026, a different vulnerability than CVE-2025-66208. This is an OS command injection in proxy.php when the CODE server isn't running (e.g., the product was recently restarted). The vulnerability is not present in standalone Collabora Online servers; only this deployment with CODE Server is affected.
Severity
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-23 00:00 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/CollaboraOnline/richdocumentsc… | issue-tracking |
| https://help.nextcloud.com/t/to-collabora-built-i… | vendor-advisory |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Collabora | Collabora Online - Built-in CODE Server |
Affected:
0 , < 26.4.303
(semver)
|
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CVE-2025-66208 (GCVE-0-2025-66208)
Vulnerability from cvelistv5 – Published: 2025-12-03 18:25 – Updated: 2025-12-03 18:51
VLAI
EPSS
VEX
Title
Configuration-Dependent RCE (OS Command Injection) in richdocumentscode proxy
Summary
Collabora Online - Built-in CODE Server (richdocumentscode) provides a built-in server with all of the document editing features of Collabora Online. In versions prior to 25.04.702, Collabora Online has a Configuration-Dependent RCE (OS Command Injection) in richdocumentscode proxy. Users of Nextcloud with Collabora Online - Built-in CODE Server app can be vulnerable to attack via proxy.php and an intermediate reverse proxy. This vulnerability is fixed in 25.04.702.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-03 18:51 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/CollaboraOnline/online/securit… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CollaboraOnline | online |
Affected:
< 25.04.702
|
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