VulnSocial

CVE-2026-73571Disclosure(synacor / zimbra_collaboration_suite)

LOWCVSS 4.3 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

synacor CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-863

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • zimbra_collaboration_suite

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • 2 total mentions across 1 day

Affected systems

Vendors
synacor
Products
zimbra_collaboration_suite

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-08-13: 2Technical Details · 2026-08-13: 208-13
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* 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 function… https://www.cve.org/CVERecord?id=CVE-2026-73571 ----- Traducción: CVE-2026-73571 Exi… https://infoflow.cloud`

    Post summary

    The tweet announces a Zimbra Collaboration authorization bypass vulnerability with technical details but no PoC, exploit, or patch information.

    0000044
    97 followersView on X
  • CVE@CVEnew
    Disclosure

    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 function… https://www.cve.org/CVERecord?id=CVE-2026-73571

    Post summary

    The text reports a new authorization bypass vulnerability in Zimbra Collaboration before version 10.1.17, providing basic technical details but no PoC, exploit, or patch information.

    00000879
    57.9K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appsynacorzimbra_collaboration_suite---

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