Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-10268— janet-lang janet marsh.c unmarshal_one_fiber integer overflow

Quick assessment

Affected
janet-lang janet
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.

Janet是Janet Language开源的一种函数式和命令式编程语言和字节码解释器。 Janet 1.41.0及之前版本存在输入验证错误漏洞，该漏洞源于文件src/core/marsh.c中函数unmarshal_one_fiber的错误操作，可能导致整数溢出。

CVSS 3.3 · Low EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 42

VendorProduct Version RangeStatus
janet-lang janet 1.0 affected
1.1 affected
1.2 affected
1.3 affected
1.4 affected
1.5 affected
1.6 affected
1.7 affected
… +34 more rows
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-10268

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
janet-lang janet marsh.c unmarshal_one_fiber integer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in janet-lang janet up to 1.41.0. This vulnerability affects the function unmarshal_one_fiber of the file src/core/marsh.c. Executing a manipulation can lead to integer overflow. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. This patch is called d9b1d711ea1fde52ac73a82088b512a3e17bad0d. A patch should be applied to remediate this issue.
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
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Janet 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Janet是Janet Language开源的一种函数式和命令式编程语言和字节码解释器。 Janet 1.41.0及之前版本存在输入验证错误漏洞，该漏洞源于文件src/core/marsh.c中函数unmarshal_one_fiber的错误操作，可能导致整数溢出。
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
janet-lang janet 1.0 cpe:2.3:a:janet-lang:janet:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-10268

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-10268

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-10268 (1)

Vendor Advisories for CVE-2026-10268 (1)

Proof of Concept for CVE-2026-10268 (1)

IV. Related Vulnerabilities

Same product: janet
Same vendor: janet-lang
Same weakness: CWE-190

V. Comments for CVE-2026-10268

No comments yet

Leave a comment