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CVE-2026-69152

Juliangruber Brace-expansion denial of service

7.5 HIGHPublic exploitEPSS 0.65%
  1. Published3 Aug 2026

Description

The brace-expansion library generates arbitrary strings containing a common prefix and suffix. Prior to 1.1.18, 2.1.4, 3.0.6, and 5.0.9, expand() does not apply maxLength while constructing comma-alternative intermediate arrays or padded sequences, allowing attacker-controlled input to exhaust memory or block the event loop. The fix for CVE-2026-14257 is bypassed by the vulnerability. This issue is fixed in versions 1.1.18, 2.1.4, 3.0.6, and 5.0.9.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Juliangruber Brace-expansion≥ 2.0.0 < 2.1.4 · ≥ 3.0.0 < 3.0.6 · ≥ 4.0.0 < 5.0.9 · < 1.1.18

Remediation

Fixed in
Juliangruber Brace-expansion≥ 2.1.4

References

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Frequently asked

Is CVE-2026-69152 being actively exploited?

CVE-2026-69152 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.65%.

How severe is CVE-2026-69152?

CVE-2026-69152 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 0.65% probability of exploitation.

Which products are affected by CVE-2026-69152?

Affected products include Juliangruber Brace-expansion.

How do I fix CVE-2026-69152?

Upgrade affected software to a fixed version, for example Juliangruber Brace-expansion 2.1.4 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-69152 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.