CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-73571

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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.002

EPSS Ranking 4.9%

CVSS Severity

CVSS v3 Score 3.1

References

Products affected by CVE-2026-73571

Synacor » Zimbra Collaboration Suite » Version: 10.0.0

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.0
Synacor » Zimbra Collaboration Suite » Version: 10.0.1

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.1
Synacor » Zimbra Collaboration Suite » Version: 10.0.10

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.10
Synacor » Zimbra Collaboration Suite » Version: 10.0.11

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.11
Synacor » Zimbra Collaboration Suite » Version: 10.0.12

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.12
Synacor » Zimbra Collaboration Suite » Version: 10.0.13

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.13
Synacor » Zimbra Collaboration Suite » Version: 10.0.14

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.14
Synacor » Zimbra Collaboration Suite » Version: 10.0.15

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.15
Synacor » Zimbra Collaboration Suite » Version: 10.0.16

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.16
Synacor » Zimbra Collaboration Suite » Version: 10.0.17

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.17
Synacor » Zimbra Collaboration Suite » Version: 10.0.18

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.18
Synacor » Zimbra Collaboration Suite » Version: 10.0.2

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.2
Synacor » Zimbra Collaboration Suite » Version: 10.0.3

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.3
Synacor » Zimbra Collaboration Suite » Version: 10.0.4

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.4
Synacor » Zimbra Collaboration Suite » Version: 10.0.5

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.5
Synacor » Zimbra Collaboration Suite » Version: 10.0.6

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.6
Synacor » Zimbra Collaboration Suite » Version: 10.0.7

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.7
Synacor » Zimbra Collaboration Suite » Version: 10.0.8

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.8
Synacor » Zimbra Collaboration Suite » Version: 10.0.9

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.0.9
Synacor » Zimbra Collaboration Suite » Version: 10.1.0

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.0
Synacor » Zimbra Collaboration Suite » Version: 10.1.1

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.1
Synacor » Zimbra Collaboration Suite » Version: 10.1.10

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.10
Synacor » Zimbra Collaboration Suite » Version: 10.1.11

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.11
Synacor » Zimbra Collaboration Suite » Version: 10.1.12

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.12
Synacor » Zimbra Collaboration Suite » Version: 10.1.13

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.13
Synacor » Zimbra Collaboration Suite » Version: 10.1.14

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.14
Synacor » Zimbra Collaboration Suite » Version: 10.1.15

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.15
Synacor » Zimbra Collaboration Suite » Version: 10.1.16

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.16
Synacor » Zimbra Collaboration Suite » Version: 10.1.2

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.2
Synacor » Zimbra Collaboration Suite » Version: 10.1.3

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.3
Synacor » Zimbra Collaboration Suite » Version: 10.1.4

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.4
Synacor » Zimbra Collaboration Suite » Version: 10.1.5

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.5
Synacor » Zimbra Collaboration Suite » Version: 10.1.6

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.6
Synacor » Zimbra Collaboration Suite » Version: 10.1.7

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.7
Synacor » Zimbra Collaboration Suite » Version: 10.1.8

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.8
Synacor » Zimbra Collaboration Suite » Version: 10.1.9

cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.9
Synacor » Zimbra Collaboration Suite » Version: 6.0.0

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.0
Synacor » Zimbra Collaboration Suite » Version: 6.0.1

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.1
Synacor » Zimbra Collaboration Suite » Version: 6.0.10

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.10
Synacor » Zimbra Collaboration Suite » Version: 6.0.12

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.12
Synacor » Zimbra Collaboration Suite » Version: 6.0.13

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.13
Synacor » Zimbra Collaboration Suite » Version: 6.0.14

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.14
Synacor » Zimbra Collaboration Suite » Version: 6.0.15

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.15
Synacor » Zimbra Collaboration Suite » Version: 6.0.16

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.16
Synacor » Zimbra Collaboration Suite » Version: 6.0.2

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.2
Synacor » Zimbra Collaboration Suite » Version: 6.0.3

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.3
Synacor » Zimbra Collaboration Suite » Version: 6.0.4

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.4
Synacor » Zimbra Collaboration Suite » Version: 6.0.5

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.5
Synacor » Zimbra Collaboration Suite » Version: 6.0.6

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.6
Synacor » Zimbra Collaboration Suite » Version: 6.0.7

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.7
Synacor » Zimbra Collaboration Suite » Version: 6.0.8

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.8
Synacor » Zimbra Collaboration Suite » Version: 6.0.9

cpe:2.3:a:synacor:zimbra_collaboration_suite:6.0.9
Synacor » Zimbra Collaboration Suite » Version: 7.2.7

cpe:2.3:a:synacor:zimbra_collaboration_suite:7.2.7
Synacor » Zimbra Collaboration Suite » Version: 8.0.0

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.0.0
Synacor » Zimbra Collaboration Suite » Version: 8.0.1

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.0.1
Synacor » Zimbra Collaboration Suite » Version: 8.0.2

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.0.2
Synacor » Zimbra Collaboration Suite » Version: 8.0.3

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.0.3
Synacor » Zimbra Collaboration Suite » Version: 8.0.4

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.0.4
Synacor » Zimbra Collaboration Suite » Version: 8.0.5

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.0.5
Synacor » Zimbra Collaboration Suite » Version: 8.0.6

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.0.6
Synacor » Zimbra Collaboration Suite » Version: 8.0.7

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.0.7
Synacor » Zimbra Collaboration Suite » Version: 8.0.8

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.0.8
Synacor » Zimbra Collaboration Suite » Version: 8.0.9

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.0.9
Synacor » Zimbra Collaboration Suite » Version: 8.5.0

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.5.0
Synacor » Zimbra Collaboration Suite » Version: 8.5.1

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.5.1
Synacor » Zimbra Collaboration Suite » Version: 8.6.0

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.6.0
Synacor » Zimbra Collaboration Suite » Version: 8.7.0

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.0
Synacor » Zimbra Collaboration Suite » Version: 8.7.1

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.1
Synacor » Zimbra Collaboration Suite » Version: 8.7.10

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.10
Synacor » Zimbra Collaboration Suite » Version: 8.7.11

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.11
Synacor » Zimbra Collaboration Suite » Version: 8.7.2

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.2
Synacor » Zimbra Collaboration Suite » Version: 8.7.3

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.3
Synacor » Zimbra Collaboration Suite » Version: 8.7.4

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.4
Synacor » Zimbra Collaboration Suite » Version: 8.7.5

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.5
Synacor » Zimbra Collaboration Suite » Version: 8.7.6

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.6
Synacor » Zimbra Collaboration Suite » Version: 8.7.7

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.7
Synacor » Zimbra Collaboration Suite » Version: 8.7.8

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.8
Synacor » Zimbra Collaboration Suite » Version: 8.7.9

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.7.9
Synacor » Zimbra Collaboration Suite » Version: 8.8.0

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.0
Synacor » Zimbra Collaboration Suite » Version: 8.8.1

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.1
Synacor » Zimbra Collaboration Suite » Version: 8.8.10

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.10
Synacor » Zimbra Collaboration Suite » Version: 8.8.11

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.11
Synacor » Zimbra Collaboration Suite » Version: 8.8.12

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.12
Synacor » Zimbra Collaboration Suite » Version: 8.8.15

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.15
Synacor » Zimbra Collaboration Suite » Version: 8.8.2

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.2
Synacor » Zimbra Collaboration Suite » Version: 8.8.3

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.3
Synacor » Zimbra Collaboration Suite » Version: 8.8.4

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.4
Synacor » Zimbra Collaboration Suite » Version: 8.8.5

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.5
Synacor » Zimbra Collaboration Suite » Version: 8.8.6

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.6
Synacor » Zimbra Collaboration Suite » Version: 8.8.7

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.7
Synacor » Zimbra Collaboration Suite » Version: 8.8.8

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.8
Synacor » Zimbra Collaboration Suite » Version: 8.8.9

cpe:2.3:a:synacor:zimbra_collaboration_suite:8.8.9
Synacor » Zimbra Collaboration Suite » Version: 9.0.0

cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-73571

Products

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