CVE-2026-106070
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CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack conditions and impact
Derived from the CNA (via NVD) CVSS 3.0 vectorThis vulnerability may be exploitable over the internet without authentication or user interaction.
| Metric | Value | Meaning |
|---|---|---|
| Attack vector AV | N | Network |
| Attack complexity AC | H | High (conditions required) |
| Privileges required PR | N | None |
| User interaction UI | N | None |
| Scope S | U | Unchanged |
| Confidentiality C | N | None |
| Integrity I | L | Low |
| Availability A | N | None |
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Description
A flaw in the Node.js `zlib.ZipFile` API can cause it to return bytes that do not belong to the requested entry after the local and central header validation fails. When `zipEntry.modified` is read on an archive whose local header does not match its central directory, either directly or while compacting the archive, the validation error is caught but the parsed local header is left cached without a content offset. A later content read then returns attacker-controlled bytes from the start of the file instead of rejecting the archive, and CRC-32 verification still passes because the attacker controls the central directory CRC. A Node.js-based scanner can therefore approve different content from what another ZIP implementation extracts from the same archive. This vulnerability affects Node.js **26.x**.
CVSS assessments
| Provider | Version | Score | Vector |
|---|---|---|---|
| NVD / [email protected] (Secondary) | 3.0 | 3.7 LOW | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N |
| CNA / hackerone | 3.0 | 3.7 LOW | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected products and packages
CNA (CVE.org)
| Vendor | Product | Versions |
|---|---|---|
| nodejs | node | affected: 26.12.0 … <= 26.12.0 default: unaffected |
Linux distribution status
Red Hat ↗ Fetching
Debian ↗
| Release | Package | Status | Fixed version / notes |
|---|---|---|---|
| bookworm | nodejs | not-affected unimportant | |
| forky | nodejs | not-affected unimportant | |
| sid | nodejs | not-affected unimportant | |
| trixie | nodejs | not-affected unimportant |
Ubuntu ↗ medium
| Release | Package | Status | Fixed version / notes |
|---|---|---|---|
| bionic | nodejs | needs-triage | |
| focal | nodejs | needs-triage | |
| jammy | nodejs | needs-triage | |
| noble | nodejs | needs-triage | |
| resolute | nodejs | needs-triage | |
| stonking | nodejs | needs-triage | |
| trusty | nodejs | needs-triage | |
| xenial | nodejs | needs-triage |