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

CVE-2026-73574Synacor · 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 90% of all CVEs

Weaknesses (CWE)

CWE-669Incorrect Resource Transfer Between Spheres

Description

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.

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).

Shodan · vuln tag0 hosts

vuln:CVE-2026-73574

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-2026-73574