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CVE-2026-73576 (GCVE-0-2026-73576)

Vulnerability from cvelistv5

Published

2026-08-13 15:26

Modified

2026-08-13 15:58

Severity ?

6.3 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:N

CWE

CWE-1241 - Use of Predictable Algorithm in Random Number Generator

Summary

In Zimbra Collaboration (ZCS) before 10.1.17, weak cryptographic key generation vulnerability exists in the OnlyOffice integration. The zimbraDocumentEditingJwtSecret is generated using an insecure random number generator, resulting in insufficient entropy. An attacker who obtains a JWT signed with the generated secret may be able to recover the JWT signing secret through offline brute-force, potentially enabling JWT forgery.

References

URL

Tags

	https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
	https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy

Impacted products

	Vendor	Product	Version
	Zimbra	Collaboration	Version: 0 < 10.1.17

Show details on NVD website

JSON

To clipboard

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CVE-2026-73575 (GCVE-0-2026-73575)

Vulnerability from cvelistv5

Published

2026-08-13 15:24

Modified

2026-08-13 15:58

Severity ?

3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

CWE

CWE-352 - Cross-Site Request Forgery (CSRF)

Summary

In Zimbra Collaboration (ZCS) before 10.1.17, a Cross-Site Request Forgery (CSRF) vulnerability exists in the Exchange Web Services (EWS) endpoint of Zimbra Collaboration (ZCS) due to insufficient validation of request content types. An attacker can exploit this vulnerability by causing an authenticated user to submit a crafted request, potentially allowing unauthorized actions to be performed on behalf of the victim.

References

URL

Tags

	https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
	https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy

Impacted products

	Vendor	Product	Version
	Zimbra	Collaboration	Version: 0 < 10.1.17

Show details on NVD website

JSON

To clipboard

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CVE-2026-73574 (GCVE-0-2026-73574)

Vulnerability from cvelistv5

Published

2026-08-13 15:23

Modified

2026-08-13 15:58

Severity ?

3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

CWE

CWE-669 - Incorrect Resource Transfer Between Spheres

Summary

In Zimbra Collaboration before 10.1.17, a local file inclusion (LFI) vulnerability exists in the Zimbra Classic Web Client due to improper validation of the fu request parameter. An unauthenticated attacker can exploit this vulnerability by supplying a crafted path, potentially allowing unauthorized disclosure of protected files, such as WEB-INF/web.xml, within the web application directory. This occurs in the Forward servlet.

References

URL

Tags

	https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
	https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy

Impacted products

	Vendor	Product	Version
	Zimbra	Collaboration	Version: 0 < 10.1.17

Show details on NVD website

JSON

To clipboard

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CVE-2026-73573 (GCVE-0-2026-73573)

Vulnerability from cvelistv5

Published

2026-08-13 15:22

Modified

2026-08-13 15:58

Severity ?

3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

CWE

CWE-24 - Path Traversal: '../filedir'

Summary

In Zimbra Collaboration (ZCS) before 10.1.17, a path traversal vulnerability exists in the Zimbra Briefcase document editing functionality due to improper validation of the packages parameter. An authenticated attacker can exploit this vulnerability by supplying a crafted path traversal sequence, potentially allowing unauthorized disclosure of sensitive files within the web application directory.

References

URL

Tags

	https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
	https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy

Impacted products

	Vendor	Product	Version
	Zimbra	Collaboration	Version: 0 < 10.1.17

Show details on NVD website

JSON

To clipboard

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CVE-2026-73572 (GCVE-0-2026-73572)

Vulnerability from cvelistv5

Published

2026-08-13 15:21

Modified

2026-08-13 15:57

Severity ?

6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Summary

In Zimbra Collaboration (ZCS) before 10.1.17, a stored cross-site scripting (XSS) vulnerability exists in the Zimbra Classic Web Client due to insufficient sanitization of specific attachment content during inline preview. An attacker can send a crafted email containing a malicious attachment that, when previewed by a user, executes arbitrary JavaScript within the victim's browser session. Successful exploitation may allow an attacker to perform unauthorized actions on behalf of the victim user, potentially leading to data exfiltration or unauthorized access to sensitive information.

References

URL

Tags

	https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
	https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy

Impacted products

	Vendor	Product	Version
	Zimbra	Collaboration	Version: 0 < 10.1.17

Show details on NVD website

JSON

To clipboard

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CVE-2026-73571 (GCVE-0-2026-73571)

Vulnerability from cvelistv5

Published

2026-08-13 15:20

Modified

2026-08-13 15:57

Severity ?

3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

CWE

CWE-863 - Incorrect Authorization

Summary

An authorization bypass vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.17 due to improper authorization validation in delegated email sending functionality. An authenticated attacker can send specially crafted SOAP requests to impersonate another user and send emails without possessing the required delegation or send-as permissions. This occurs in the SaveDraftRequest SOAP handler.

References

URL

Tags

	https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
	https://wiki.zimbra.com/wiki/Security_Center

Impacted products

	Vendor	Product	Version
	Zimbra	Collaboration	Version: 0 < 10.1.17

Show details on NVD website

JSON

To clipboard

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CVE-2026-73570 (GCVE-0-2026-73570)

Vulnerability from cvelistv5

Published

2026-08-13 15:19

Modified

2026-08-24 12:17

Severity ?

8.9 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Summary

A remote code execution vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled. Due to improper sanitization of untrusted input during SNMP notification processing, an unauthenticated attacker can send specially crafted SMTP requests that may result in execution of arbitrary operating system commands as the Zimbra user.

References

URL

Tags

	https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
	https://wiki.zimbra.com/wiki/Security_Center

Impacted products

	Vendor	Product	Version
	Zimbra	Collaboration	Version: 0 < 10.1.20

Show details on NVD website

JSON

To clipboard

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CVE-2025-66376 (GCVE-0-2025-66376)

Vulnerability from cvelistv5

Published

2026-01-05 00:00

Modified

2026-03-19 03:55

Severity ?

7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Summary

Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message.

References

URL

Tags

	https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
	https://wiki.zimbra.com/wiki/Security_Center
	https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
	https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.13#Security_Fixes
	https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.18#Security_Fixes

Impacted products

	Vendor	Product	Version
	Zimbra	Collaboration	Version: 10.0 < 10.0.18 Version: 10.1 < 10.1.13

Show details on NVD website

JSON

To clipboard

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CVE-2025-62763 (GCVE-0-2025-62763)

Vulnerability from cvelistv5

Published

2025-10-21 00:00

Modified

2025-12-08 15:40

Severity ?

5.0 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Summary

Zimbra Collaboration (ZCS) before 10.1.12 allows SSRF because of the configuration of the chat proxy.

References

URL

Tags

	https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
	https://wiki.zimbra.com/wiki/Security_Center
	https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.12
	https://blog.zimbra.com/2025/10/patch-release-update-zimbra-10-1-12/
	https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.12#Security_Fixes

Impacted products

	Vendor	Product	Version
	Zimbra	Collaboration	Version: 0 < 10.1.12

Show details on NVD website

JSON

To clipboard

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        "dateUpdated": "2025-12-08T15:40:54.823Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories"
        },
        {
          "url": "https://wiki.zimbra.com/wiki/Security_Center"
        },
        {
          "url": "https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.12"
        },
        {
          "url": "https://blog.zimbra.com/2025/10/patch-release-update-zimbra-10-1-12/"
        },
        {
          "url": "https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.12#Security_Fixes"
        }
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  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2025-62763",
    "datePublished": "2025-10-21T00:00:00.000Z",
    "dateReserved": "2025-10-21T00:00:00.000Z",
    "dateUpdated": "2025-12-08T15:40:54.823Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Refine your search

9 vulnerabilities found for Collaboration by Zimbra

CVE-2026-73576 (GCVE-0-2026-73576)

Vulnerability from cvelistv5

CVE-2026-73575 (GCVE-0-2026-73575)

Vulnerability from cvelistv5

CVE-2026-73574 (GCVE-0-2026-73574)

Vulnerability from cvelistv5

CVE-2026-73573 (GCVE-0-2026-73573)

Vulnerability from cvelistv5

CVE-2026-73572 (GCVE-0-2026-73572)

Vulnerability from cvelistv5

CVE-2026-73571 (GCVE-0-2026-73571)

Vulnerability from cvelistv5

CVE-2026-73570 (GCVE-0-2026-73570)

Vulnerability from cvelistv5

CVE-2025-66376 (GCVE-0-2025-66376)

Vulnerability from cvelistv5

CVE-2025-62763 (GCVE-0-2025-62763)

Vulnerability from cvelistv5