CVE-2026-89087
Quick assessment
Affected
OCaml cstruct
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
OCaml cstruct是OCaml团队的一个处理类C结构体内存缓冲区的编程库。 OCaml cstruct 6.3.0之前版本存在处理逻辑错误漏洞，该漏洞源于索引处理不当。
Possible ATT&CK Techniques 1 AI
T1046 · Network Service Discovery
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-89087
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The cstruct package before 6.3.0 for OCaml mishandles indexes.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
调用者对规范的不恰当使用
Source: CVE Program / CVE List V5
Vulnerability Title
OCaml cstruct 处理逻辑错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OCaml cstruct是OCaml团队的一个处理类C结构体内存缓冲区的编程库。 OCaml cstruct 6.3.0之前版本存在处理逻辑错误漏洞，该漏洞源于索引处理不当。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-89087
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-89087
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-89087 (1)
IV. Related Vulnerabilities
Same weakness: CWE-573