CVE•Published 2026-08-13•Modified 2026-08-28•0 articles on news•5 live references•NVD data

CVE-2026-73573Synacor · Zimbra_collaboration_suite

Vulnerability data via NVD (ingested)

CVSS v3.1

3.1

LOW

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

EPSS percentile

Exploit Prediction Scoring System · top 83% of all CVEs

Weaknesses (CWE)

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

Description

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.

Timeline

Published 2026-08-13

Modified 2026-08-28

External references

NVD MITRE Exploit-DB GitHub PoC VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common). Live host counts are a Premium feature.

Shodan · vuln tag

vuln:CVE-2026-73573

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Synacor Zimbra Collaboration Suite"

All exposed Synacor Zimbra Collaboration Suite instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Zimbra Collaboration Suite"

HTTP body or banner mentions "Zimbra Collaboration Suite" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-73573