CVE-2026-27535Network attack vector

Subscriber-triggered unauthorized site changes

Published Aug 13, 2026 · Updated Aug 13, 2026

Missing authorization in Solace Extra 1.6.0 and earlier allows remote authenticated users with Subscriber access to alter site state. Patchstack identifies broken access control but does not publish the affected function, request parameter, or failed authorization operation. The Subscriber role is sufficient, and published scoring reports integrity and availability impact without specifying the exact modification or interruption.

CVSS severity7.1
High
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Solace Extra 1.6.0 and earlier allows remote authenticated users with Subscriber access to alter site state. Patchstack identifies broken access control but does not publish the affected function, request parameter, or failed authorization operation. The Subscriber role is sufficient, and published scoring reports integrity and availability impact without specifying the exact modification or interruption.

The record

CVE
CVE-2026-27535
Published
Aug 13, 2026
Updated
Aug 13, 2026
Vendor
SolaceWP
Product
Solace Extra
Classifications
CWE-862, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 13, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 13, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=1.6.0 changes=[{"at":"1.6.1","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

SolaceWP · Solace Extraversion=n/a <=1.6.0 changes=[{"at":"1.6.1","status":"unaffected"}]

Published CVSS scores

7.1INCIBE-CERTCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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