CVE-2026-43637Patch

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Cornac before 2.6.0 contains a path traversal (Tar Slip) vulnerability that allows attackers to write arbitrary files outside the intended cache directory by supplying a crafted TAR archive containing ../ sequences, absolute paths, or symlink/hardlink entries to the _extract_archive() function in cornac/utils/download.py. Attackers can trigger this vulnerability through the built-in dataset loaders, which automatically download and extract archives, causing archive.extractall() to write files to arbitrary locations on the filesystem accessible to the running process.

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0.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-22

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

Patch or workaround signal is available
1 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Patch

1100.0%

Full discourse1 post

Orizon@OrizonCyber91d
Patch
🚨 CVE-2026-43637 — CVSS 9.1/10 █████████░ Cornac before 2.6.0 contains a path traversal (Tar Slip) vulnerability that allows attackers to write arbitrary files... Severity: CRITICAL Patch now. #cybersecurity #CVE https://t.co/esUk4mMofj
Post summary
A new CVE-2026-43637 path traversal (Tar Slip) vulnerability is disclosed with a critical CVSS score of 9.1/10, and the tweet urges users to apply the current patch for Cornac versions prior to 2.6.0.
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