Client-side session cookie access via missing HttpOnly
Published Jan 16, 2026 · Updated Jan 16, 2026
Sensitive cookie misconfiguration in ConnectWise PSA before 2026.1 allows remote attackers to read session cookie values through client-side scripts. The PSA Desktop Client sets certain session cookies without HttpOnly, leaving their values readable to script in the client context. Exploitation requires a user's client to execute attacker-controlled script in an affected session; the published impact is limited to cookie-value disclosure.
Summary
What happened
Sensitive cookie misconfiguration in ConnectWise PSA before 2026.1 allows remote attackers to read session cookie values through client-side scripts. The PSA Desktop Client sets certain session cookies without HttpOnly, leaving their values readable to script in the client context. Exploitation requires a user's client to execute attacker-controlled script in an affected session; the published impact is limited to cookie-value disclosure.
The record
- CVE
- CVE-2026-0696
- Published
- Jan 16, 2026
- Updated
- Jan 16, 2026
- Vendor
- ConnectWise
- Product
- ConnectWise PSA
- Classifications
- CWE-1004, CAPEC-593, T1539
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 16, 2026CVE publishedPublication date reported by the CVE source.
- Jan 16, 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.
- Affected versionversion=All versions prior to 2026.1
What conditions does exploitation require?
What is affected?
Published CVSS scores
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.
Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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