CVE-2026-67987
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.
crmne/ruby_llm at commit fa6f279847d6d7027814539d9c0dfc3bbdfd2a83 contains polynomial-time regular expression denial-of-service conditions in think-tag response parsing on Ruby 3.1.x. A malicious or anomalous model response containing many unterminated <think>
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I. Basic Information for CVE-2026-67987
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
crmne/ruby_llm at commit fa6f279847d6d7027814539d9c0dfc3bbdfd2a83 contains polynomial-time regular expression denial-of-service conditions in think-tag response parsing on Ruby 3.1.x. A malicious or anomalous model response containing many unterminated <think> tags can cause excessive CPU consumption in two consecutive regular expressions and delay chat-completion processing
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
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II. Public POCs for CVE-2026-67987
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-67987 (1)
Other References for CVE-2026-67987 (2)
Same Patch Batch · n/a · 2026-09-29 · 19 CVEs total
| CVE-2026-102248 | 7.3 HIGH | Rebuild Login Endpoint login improper authentication |
| CVE-2026-102249 | 7.3 HIGH | REBUILD file-editor-save authorization |
| CVE-2026-102247 | 6.8 MEDIUM | FastAdmin Database Management database.php unnecessary privileges |
| CVE-2026-79348 | 4.3 MEDIUM | CVE-2026-79348 |
| CVE-2026-67993 | CVE-2026-67993 | |
| CVE-2026-39117 | CVE-2026-39117 | |
| CVE-2026-79403 | CVE-2026-79403 | |
| CVE-2026-79417 | CVE-2026-79417 | |
| CVE-2024-31027 | CVE-2024-31027 | |
| CVE-2026-79534 | CVE-2026-79534 | |
| CVE-2026-79538 | CVE-2026-79538 | |
| CVE-2024-31026 | CVE-2024-31026 | |
| CVE-2026-79537 | CVE-2026-79537 | |
| CVE-2026-79536 | CVE-2026-79536 | |
| CVE-2026-79535 | CVE-2026-79535 | |
| CVE-2026-94953 | CVE-2026-94953 | |
| CVE-2026-94954 | CVE-2026-94954 | |
| CVE-2026-77177 | CVE-2026-77177 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-67987
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