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CVE-2026-2887— aardappel lobster idents.h TypeName recursion

Quick assessment

Affected
aardappel lobster
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.

Lobster是Wouter van Oortmerssen个人开发者的一个编程语言。 Lobster 2025.4及之前版本存在安全漏洞，该漏洞源于函数lobster::TypeName存在不受控制的递归。

CVSS 3.3 · Low EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-2887

Vulnerability Information
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Vulnerability Title
aardappel lobster idents.h TypeName recursion
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in aardappel lobster up to 2025.4. This impacts the function lobster::TypeName in the library dev/src/lobster/idents.h. Such manipulation leads to uncontrolled recursion. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. Upgrading to version 2026.1 will fix this issue. The name of the patch is 8ba49f98ccfc9734ef352146806433a41d9f9aa6. It is advisable to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
Source: CVE Program / CVE List V5
Vulnerability Title
Lobster 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lobster是Wouter van Oortmerssen个人开发者的一个编程语言。 Lobster 2025.4及之前版本存在安全漏洞，该漏洞源于函数lobster::TypeName存在不受控制的递归。
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

Vendor Product Affected Versions CPE Subscribe
aardappel lobster 2025.0 -

II. Public POCs for CVE-2026-2887

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III. Intelligence Information for CVE-2026-2887

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IV. Related Vulnerabilities

Same product: lobster
Same vendor: aardappel
Same weakness: CWE-674