CVE-2026-16036Public exploitNetwork attack vector

Account takeover via password-only second-factor rebinding

Published Aug 5, 2026 · Updated Aug 5, 2026

Improper authentication in miniOrange 2FA before 6.2.7 allows remote attackers with a user's password to take over that account. The pre-login challenge accepts configuration requests that replace the target account's existing factor with an attacker-controlled email destination. The attacker needs the target's valid password but no WordPress session; completing the delivered OTP grants the target's privileges, including Administrator access.

CVSS severity7.5
High
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authentication in miniOrange 2FA before 6.2.7 allows remote attackers with a user's password to take over that account. The pre-login challenge accepts configuration requests that replace the target account's existing factor with an attacker-controlled email destination. The attacker needs the target's valid password but no WordPress session; completing the delivered OTP grants the target's privileges, including Administrator access.

The record

CVE
CVE-2026-16036
Published
Aug 5, 2026
Updated
Aug 5, 2026
Vendor
miniOrange
Product
miniOrange 2FA
Classifications
CWE-287, T1190, T1098.003
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 5, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 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=0 <6.2.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

miniOrange · miniOrange 2FAversion=0 <6.2.7

Published CVSS scores

7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-287Improper Authentication
T1190Exploit Public-Facing Application
T1098.003Additional Cloud Roles

Public exploit references

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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