Medium5.4Cisco

Medium [CVE-2026-20114] Cisco IOS XE Software Lobby Ambassador Privilege Escalation Vulnerability

This medium-severity Cisco advisory covers CVE-2026-20114 affecting Cisco IOS XE Software 16.11.1a, Cisco IOS XE Software 16.11.1b, Cisco IOS XE Software 16.11.2.

cisco-sa-iosxe-lobby-privesc-KwxBqJy Published Mar 25, 2026Updated by vendor Mar 25, 2026

CVE-2026-20114

Affected products & platforms

CiscoIOS XE

Open vendor advisory

Android app · Google Play

Monitor future Cisco CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery

Get CVE alerts See app features

Summary

A vulnerability in the Lobby Ambassador web-based management API of Cisco IOS XE Software could allow an authenticated, remote attacker to elevate their privileges and access management APIs that would not normally be available for Lobby Ambassador users.

This vulnerability exists because parameters that are received by an API endpoint are not sufficiently validated. An attacker could exploit this vulnerability by authenticating as a Lobby Ambassador user and sending a crafted HTTP request to an affected device.

A successful exploit could allow the attacker to create a new user with privile…

Affected products named by the advisory: Cisco IOS XE Software 16.11.1a; Cisco IOS XE Software 16.11.1b; Cisco IOS XE Software 16.11.2; Cisco IOS XE Software 16.11.1s; and 2 more.

Affected versions

Scope: At the time of publication, this vulnerability affected Cisco devices if they were running a vulnerable release of Cisco IOS XE Software and had Lobby Ambassadors configured.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Workaround status

There are no workarounds that address this vulnerability.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Cisco Security Advisories (PSIRT)official
Official vendor feed — the source of truth for this advisory. VulniPulse polled this feed and parsed this entry from it. Discovered from the machine-readable feed https://sec.cloudapps.cisco.com/security/center/psirtrss20/CiscoSecurityAdvisory.xml; this link opens the Cisco advisory index instead of the raw feed document.
Cisco
Vendor advisory pageofficial
Advisory page fetched and parsed to extract affected/fixed versions and mitigation guidance beyond what the feed carries.
Cisco

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-20114NVD CVE.org MITRE

Official resources

Cisco Software Checker
Official documentation
Official tool to confirm whether your exact IOS / IOS XE / NX-OS / ASA / FTD / SD-WAN release is affected and to find the first fixed release.

Discussion(0)

No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.