CI4MS session revocation flaw for deleted accounts
CVE-2026-34570 affects CI4MS, a CodeIgniter 4-based CMS skeleton, in versions prior to 0.31.0.0. The vulnerability is caused by a backend logic flaw in which account state changes, specifically account deletion, are enforced only at authentication time and are not revalidated for already-established sessions. As a result, when an account is deleted, any active session associated with that account remains valid instead of being immediately revoked. Because the application also lacked session expiration or account expiration controls in the described scenario, a deleted user could continue accessing the application indefinitely until manually logging out. This breaks the intended access control model and results in persistent unauthorized access by accounts that should no longer be valid.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
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Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.