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Fencer Intel
critical 9.8

CVE-2025-62353 json

A path traversal vulnerability in all versions of the Windsurf IDE enables a threat actor to read and write arbitrary local files in and ou…

published last yr. modified 21d ago also EUVD-2025-34890

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

Summary

A path traversal vulnerability in all versions of the Windsurf IDE enables a threat actor to read and write arbitrary local files in and outside of current projects on an end user’s system. The vulnerability can be reached directly and through indirect prompt injection.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
last yr.

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Windsurf Windsurf

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.