VulnSocial

CVE-2026-93642

LOWCVSS 9.3 · CRITICAL

Signal is active with 1 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 unauthenticated sender can forge a share notification that triggers stored XSS when a signed-in Zimbra Modern recipient clicks Accept Share, allowing the attacker to access mailbox data and act as the victim.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-79

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-26: 109-26
Referenced assets1 URL
By indicator
Full discourse1 post
  • Sami Laiho@samilaiho

    Critical vulnerabilities in Zimbra Collaboration Suite URL: https://nvd.nist.gov/vuln/detail/cve-2026-93642 Classification: Critical, Solution: Official Fix, Exploit Maturity: Not Defined, CVSSv3.1: 9.8

    00000343
    30.6K followersView on X

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