CVE-2026-112366

LOWCVSS 8.7 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Picomatch through 4.0.7 contains a regular expression denial of service vulnerability that allows attackers to block the event loop by supplying single-branch repeated extglob patterns. Attackers can provide globs like +(*) or +(*a), which analyzeRepeatedExtglob in lib/parse.js skips, causing exponential backtracking against short crafted strings and denying service to Node.js applications.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-1333

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Full discourse1 post

Upwind Security MDR@UpwindMDR1d
🚨High - Picomatch ReDoS via repeated extglob patterns (CVE-2026-112366) picomatch <= 4.0.7 is vulnerable to ReDoS when parsing single-branch repeated extglob globs like +(*) or +(*a), triggering exponential backtracking and blocking the Node.js event loop. Impact is application-level DoS for services compiling/using attacker-controlled globs. 👉Affected: picomatch <= 4.0.7
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