CVE-2026-53486
Archive extraction flaw in decompress allows files/links outside target dir (overwrite/read).
Is CVE-2026-53486 being exploited?
Not confirmed. CVE-2026-53486 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.75% probability of exploitation in the next 30 days.
How severe is CVE-2026-53486?
CVE-2026-53486 is rated Critical with a CVSS score of 9.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-53486?
Yes. A fix has been recorded for CVE-2026-53486. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-53486 affect?
CVE-2026-53486 affects @xhmikosr/decompress <10.2.1 and <11.1.3, Node.js projects using decompress, npm packages depending on decompress, Containers/CI pipelines that extract untrusted archives. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-53486?
Upgrade to @xhmikosr/decompress 10.2.1 or 11.1.3+, audit deps, rebuild images
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Crafted archives can create/read/write files or links outside extraction dir, overwrite files, expose data, or enable privilege abuse via retained setuid/setgid bits.
Immediate action required
- affected< 10.2.1
- affected>= 11.0.0 and < 11.1.3
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.