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CVE-2026-44777— jq: stack overflow in module loading on mutual `include`

Quick assessment

Affected
jqlang jq
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.

jq是jqlang开源的一个轻量级且灵活的命令行 JSON 处理器。 jq 1.8.2rc1及之前版本存在安全漏洞，该漏洞源于普通模块加载器在模块相互包含时未进行循环检测，可能导致无限递归。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.16% · P4

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
jqlang jq <= 1.8.2rc1 affected
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I. Basic Information for CVE-2026-44777

Vulnerability Information
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Vulnerability Title
jq: stack overflow in module loading on mutual `include`
Source: CVE Program / CVE List V5
Vulnerability Description
jq is a command-line JSON processor. In 1.8.2rc1 and earlier, the ordinary module loader recurses without cycle detection when two otherwise valid modules include each other.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
Source: CVE Program / CVE List V5
Vulnerability Title
jq 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
jq是jqlang开源的一个轻量级且灵活的命令行 JSON 处理器。 jq 1.8.2rc1及之前版本存在安全漏洞，该漏洞源于普通模块加载器在模块相互包含时未进行循环检测，可能导致无限递归。
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
jqlang jq <= 1.8.2rc1 -

II. Public POCs for CVE-2026-44777

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III. Intelligence Information for CVE-2026-44777

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Vendor Advisories for CVE-2026-44777 (1)

Same Patch Batch · jqlang · 2026-05-11 · 7 CVEs total

CVE-2026-43896 6.2 MEDIUM jq: Stack Overflow in Recursive Object Merge
CVE-2026-43894 6.2 MEDIUM jq: Wild stack write via signed-integer overflow in decNumber D2U() macro
CVE-2026-41256 5.5 MEDIUM jq: Embedded NUL truncates top-level jq programs loaded with -f
CVE-2026-43895 4.4 MEDIUM jq: Embedded NUL in jq import paths causes local redaction-policy bypass and preserves sen
CVE-2026-41257 jq: Signed-int overflow in `stack_reallocate` (jq VM stack)
CVE-2026-40612 jq: Stack overflow via unbounded recursion in jv_contains

IV. Related Vulnerabilities

Same product: jq
Same vendor: jqlang
Same weakness: CWE-674

V. Comments for CVE-2026-44777

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