CVE-2026-40127: OutSystems Lifetime · Insecure Direct Object Reference
Affects OutSystems LifetimeSource CVE Database V5
Not known to be exploited · CVSS 5.3 Medium : upgrade to 11.28.2.3955 when convenient.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 42% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 11.28.2.3955
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 25 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade OutSystems Lifetime to 11.28.2.3955.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| OutSystemsLifetime | Affected
| Fixed in
|
AI-suggested
Upgrade OutSystems Lifetime to version 11.28.2.3955 or later, where this vulnerability has been fixed. No other remediation or temporary mitigations are indicated.
Description
OutSystems Lifetime is vulnerable to Authorization Bypass Through User-Controlled Key vulnerability in ApplicationID parameter. Any authenticated user, can read the Change Log containing actions performed by other users as well as application name of any application. This issue was fixed in OutSystems Lifetime version 11.28.2.3955