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VulnerabilityPublished

CVE-2025-13909: WSO2 Identity Server · Information Exposure

Affects WSO2 Identity ServerSource CVE Database V5

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Not known to be exploited · CVSS 4.3 Medium : upgrade to 7.1.0.42 or 7.0.0.134 when convenient.

Data as of 5 Nov 2026, 00:01 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 28% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 7.1.0.42, 7.0.0.134, 7.8.23.66 +6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 5 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
WSO2WSO2 Identity ServerAffected
  • >=7.1.0 <7.1.0.42
Fixed in
  • 7.1.0.42
WSO2WSO2 Identity ServerAffected
  • >=7.0.0 <7.0.0.134
Fixed in
  • 7.0.0.134
WSO2WSO2 Carbon Identity Application Authentication FrameworkAffected
  • >=7.8.23 <7.8.23.66
Fixed in
  • 7.8.23.66
WSO2WSO2 Carbon Identity Application Authentication FrameworkAffected
  • >=7.0.78 <7.0.78.162
Fixed in
  • 7.0.78.162
WSO2WSO2 Carbon MagicLink Authenticator ModuleAffected
  • >=1.1.31 <1.1.31.3
Fixed in
  • 1.1.31.3
WSO2WSO2 Carbon MagicLink Authenticator ModuleAffected
  • >=1.1.22 <1.1.22.6
Fixed in
  • 1.1.22.6

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

If you cannot patch yet, organizations should review tenant isolation configurations and monitor for unauthorized access attempts related to Email OTP, SMS OTP, or Magic Link authentication mechanisms.

Description

CVE-2025-13909 is a medium severity vulnerability in WSO2 Identity Server versions 7.0.0 and 7.1.0. It involves insufficient validation of authentication requests using Email OTP, SMS OTP, or Magic Link, which fails to enforce tenant isolation. This flaw can lead to unauthorized exposure of personally identifiable information (PII) across tenants, including sensitive user details such as mobile numbers.

References

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