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Frankenphp CVE-2026-24894

HIGH
Improper Privilege Management (CWE-269)
2026-02-12 security-advisories@github.com GHSA-r3xh-3r3w-47gp
Privilege Escalation Frankenphp Suse
7.5
CVSS 3.1 · GitHub Advisory
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Severity by source

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

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

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

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
PoC Detected
Feb 20, 2026 - 18:31 vuln.today
Public exploit code
Patch released
Feb 20, 2026 - 18:31 nvd
Patch available
CVE Published
Feb 12, 2026 - 20:16 nvd
HIGH 7.5

DescriptionGitHub Advisory

FrankenPHP is a modern application server for PHP. Prior to 1.11.2, when running FrankenPHP in worker mode, the $_SESSION superglobal is not correctly reset between requests. This allows a subsequent request processed by the same worker to access the $_SESSION data of the previous request (potentially belonging to a different user) before session_start() is called. This vulnerability is fixed in 1.11.2.

AnalysisAI

FrankenPHP versions prior to 1.11.2 fail to properly isolate session data between worker requests, enabling cross-user session fixation where an attacker can read sensitive $_SESSION information intended for other users. This high-severity flaw affects multi-request worker mode deployments and has public exploit code available. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Send authenticated request to FrankenPHP worker
Exploit
$_SESSION persists across request boundary
Execution
Subsequent request accesses previous user's session data
Impact
Attacker reads sensitive session information
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Vulnerability AssessmentAI

Exploitation FrankenPHP versions prior to 1.11.2 running in worker mode. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 7.5 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker could exploit this vulnerability to compromise the affected system.
Remediation A vendor patch is available — apply it immediately. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Identify all systems running FrankenPHP and document current versions. …

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Vendor StatusVendor

SUSE

Severity: High
Product Status
openSUSE Leap 15.6 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP5 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP6 Fixed
openSUSE Leap 15.5 Fixed

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CVE-2026-24894 vulnerability details – vuln.today
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