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CVE-2026-11312— bytedance InfiniStore KV Map infinistore.h purge_kv_map algorithmic complexity

Quick assessment

Affected
bytedance InfiniStore
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.

InfiniStore是中国字节跳动（Bytedance Inc.）开源的一个高性能KV缓存存储工具。 InfiniStore 0.2.33及之前版本存在安全漏洞，该漏洞源于KV Map Handler组件中/src/infinistore.h文件的purge_kv_map函数存在算法复杂度问题。

CVSS 3.3 · Low EPSS 0.11% · P2

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 34

VendorProduct Version RangeStatus
bytedance InfiniStore 0.2.0 affected
0.2.1 affected
0.2.2 affected
0.2.3 affected
0.2.4 affected
0.2.5 affected
0.2.6 affected
0.2.7 affected
… +26 more rows
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I. Basic Information for CVE-2026-11312

Vulnerability Information
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Vulnerability Title
bytedance InfiniStore KV Map infinistore.h purge_kv_map algorithmic complexity
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in bytedance InfiniStore up to 0.2.33. The impacted element is the function purge_kv_map in the library /src/infinistore.h of the component KV Map Handler. Performing a manipulation results in inefficient algorithmic complexity. The attack requires a local approach. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
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
算法复杂性
Source: CVE Program / CVE List V5
Vulnerability Title
InfiniStore 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
InfiniStore是中国字节跳动（Bytedance Inc.）开源的一个高性能KV缓存存储工具。 InfiniStore 0.2.33及之前版本存在安全漏洞，该漏洞源于KV Map Handler组件中/src/infinistore.h文件的purge_kv_map函数存在算法复杂度问题。
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
bytedance InfiniStore 0.2.0 cpe:2.3:a:bytedance:infinistore:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-11312

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III. Intelligence Information for CVE-2026-11312

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Other References for CVE-2026-11312 (1)

IV. Related Vulnerabilities

Same vendor: bytedance
Same weakness: CWE-407

V. Comments for CVE-2026-11312

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