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CVE-2026-88389

Quick assessment

Affected
n/a n/a
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.

在 Espruino 2v29（提交 bffc6d0）中，src/jslex.c 文件中的 jslGetRawString() 函数存在空指针解引用漏洞。精心构造的原始/二进制字符串输入可导致词法分析器将 NULL 迭代器目标传递给 jsvLockAgain()。在 RELEASE/NO_ASSERT 构建版本中，由于缺失断言检查，允许通过空指针进行写入，从而导致内存损坏、应用终止或拒绝服务（DoS）。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.14% · P3
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I. Basic Information for CVE-2026-88389

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Espruino 2v29 (commit bffc6d0) contains a NULL pointer dereference vulnerability in jslGetRawString() in src/jslex.c. Crafted raw/binary string input can cause the lexer to pass a NULL iterator target to jsvLockAgain(). In RELEASE/NO_ASSERT builds, the missing assertion guard allows a write through the NULL pointer, resulting in memory corruption and application termination or denial of service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
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II. Public POCs for CVE-2026-88389

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III. Intelligence Information for CVE-2026-88389

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Other References for CVE-2026-88389 (2)

Same Patch Batch · n/a · 2026-09-25 · 11 CVEs total

CVE-2026-52622 7.5 HIGH Wellav WES终端多个版本信息泄露漏洞
CVE-2026-97865 7.3 HIGH Open-Web-Analytics Remote Event Queue Endpoint queue.php loadFromArray deserialization
CVE-2026-97869 4.1 MEDIUM langchain4j LangChain4j-agentic AgenticScopeJsonSerializationIT.java AgenticScopeSerialize
CVE-2026-88420 APSL puput v1.2.1-v2.2.0反射型XSS漏洞
CVE-2026-88421 APSL puput 1.2.1-2.2.0 访问控制漏洞
CVE-2026-51772 OpenStack Glance v2 SSRF漏洞
CVE-2026-51773 OpenStack glance_store datastore驱动认证绕过漏洞
CVE-2026-78902 Netgate pfSense 26.03.1 pfBlockerNG跨站脚本漏洞
CVE-2026-79153 Seclore FileSecure Desktop Client <3.25.1.0 访问控制漏洞
CVE-2025-51457 D-Link DAP-2610<2.06B08r099命令注入漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2026-88389

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