CVE-2022-38352Thinkphp Insecure Deserialization
ThinkPHP deserialization vulnerability
Published Sep 16, 2022 · Updated Aug 12, 2026 · Also known as GHSA-qjjj-7g7h-54v3
Key Facts
Patch in the next maintenance window- CVE-2022-38352 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Thinkphp, topthink/framework (composer).
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 21% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
21%
Higher than 97.5% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
41/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
ThinkPHP v6.0.13 was discovered to contain a deserialization vulnerability via the component League\Flysystem\Cached\Storage\Psr6Cache. This vulnerability allows attackers to execute arbitrary code via a crafted payload.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ThinkphpThinkphp | 6.0.13 | n/a |
| topthink/frameworkcomposer | See advisory | n/a |
Timeline
Publicly disclosed
Sep 16, 2022
Last updated
Aug 12, 2026
Weakness Type
- CWE-502 Deserialization of Untrusted Data
References
- advisorycve.org · CVERecord
- advisorynvd.nist.gov · CVE-2022-38352
- advisoryGHSA advisory
- exploitgithub.com · 2749
- othergithub.com · framework
FAQ
Common Questions.
ThinkPHP v6.0.13 was discovered to contain a deserialization vulnerability via the component League\Flysystem\Cached\Storage\Psr6Cache.
Affected: Thinkphp versions 6.0.13; topthink/framework (composer). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch in the next maintenance window, because of its high severity, although no exploitation is known.
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