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Bludit CVE-2026-46657

| EUVD-2026-35085 HIGH
Improper Removal of Sensitive Information Before Storage or Transfer (CWE-212)
2026-06-08 GitHub_M
7.1
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
7.1 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

Lifecycle Timeline

3
Patch available
Jun 08, 2026 - 17:01 EUVD
Source Code Evidence Fetched
Jun 08, 2026 - 16:17 vuln.today
Analysis Generated
Jun 08, 2026 - 16:17 vuln.today

DescriptionGitHub Advisory

Bludit is a content management system. Versions prior to 3.22.0 have a vulnerability in the user management logic that allows deactivated accounts to maintain access via persistent authentication tokens. When an administrator disables a user account, the application fails to invalidate or clear the associated tokenAuth and tokenRemember fields in the JSON database. Consequently, any user with a pre-existing "Remember Me" cookie can bypass the account disablement and maintain a valid authenticated state. Version 3.22.0 patches the issue.

AnalysisAI

Authentication bypass in Bludit CMS versions prior to 3.22.0 allows deactivated user accounts to retain authenticated access through persistent 'Remember Me' cookies, because the disable-account workflow fails to invalidate tokenAuth and tokenRemember values stored in the JSON database. Any user who previously logged in with the persistent session option can continue to act with their original privileges even after an administrator disables them. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Recon
Authenticate to Bludit with Remember Me
Delivery
Receive persistent tokenRemember cookie
Exploit
Administrator disables the account
Install
Replay cookie to Bludit endpoint
C2
Token still valid in JSON database
Execute
Session reconstituted at original privilege
Impact
Access content and perform low-impact writes

Vulnerability AssessmentAI

Exploitation The attacker must already possess a valid 'Remember Me' (tokenRemember) cookie issued by the target Bludit instance before the account was disabled, meaning they previously authenticated at least once with the persistent-session option checked. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N yields 7.1 (High) and aligns with the described abuse path: a network-reachable attacker who previously held low-privileged credentials and a Remember Me cookie can read high-confidentiality content and perform limited integrity changes, with no availability impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A contractor with an editor account logs into Bludit with 'Remember Me' enabled, obtaining a persistent cookie. After the engagement ends an administrator disables the account in the Bludit UI, but because tokenRemember is never cleared the contractor's browser continues to present the cookie and is silently re-authenticated, allowing continued read access to draft content and limited content modifications. …
Remediation Vendor-released patch: Bludit 3.22.0, which adds session invalidation for disabled users per release note 'Fix: Invalidate sessions for disabled users (GHSA-q42h-wpg8-5wwf)'; upgrade via https://github.com/bludit/bludit/releases/tag/3.22.0 and consult the advisory at https://github.com/bludit/bludit/security/advisories/GHSA-ggqg-xvx6-hgwh. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Inventory all Bludit CMS instances and their versions; identify and document all deactivated user accounts. …

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CVE-2026-46657 vulnerability details – vuln.today

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