CVE record · CVE-2025-55177

Incorrect authorization in Facebook WhatsApp Desktop for Mac and others

CVSS 5.4 MediumCriticalIn CISA KEVEPSS 0.14 · 96th percentile

Critical, because:

In CISA’s KEV catalogue since 2 Sept 2025: it is known to be exploited.

Published by the CVE Program (CNA: facebook) at 29 Aug 2025, 15:50 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Facebook	WhatsApp Desktop for Mac	affected 2.22.25.2 to before 2.25.21.78 semver Other versions: unaffected
Facebook	WhatsApp Business for iOS	affected 2.22.25.2 to before 2.25.21.78 semver Other versions: unaffected
Facebook	WhatsApp for iOS	affected 2.22.25.2 to before 2.25.21.73 semver Other versions: unaffected

Identifiers: CVE-2025-55177
CNA: facebook
Weakness (CWE): CWE-863
Tags: Facebook WhatsApp Desktop for Mac
Facebook WhatsApp Business for iOS
Facebook WhatsApp for iOS
Broken access control
Published: 29 Aug 2025
Updated: 7 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.4	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:F/RL:O/RC:C	CNA (facebook)

CISA KEV Listed since 2 Sept 2025: known to be exploited.
EPSS 0.14, the 96th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 29 Aug 2025. New records show when each source confirmed them.

Sources

References from the CNA

www.facebook.com/security/advisories/cve-2025-55177 confirm
www.whatsapp.com/security/advisories/2025/ confirm

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.