Directory Traversal vulnerability in Papermark 0.20.0 and prior allows authenticated attackers to retrieve arbitrary files from an S3 bucke…

published 2025-09-22 last yr. modified 2026-11-05 4d ago also EUVD-2025-30811

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits: 0; none known

Directory Traversal vulnerability in Papermark 0.20.0 and prior allows authenticated attackers to retrieve arbitrary files from an S3 bucket through its CloudFront distribution via the "POST /api/file/s3/get-presigned-get-url-proxy" API

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: last yr. (2025-09-22)

Exploit prediction

0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Classification

Weakness

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

References

papermark.com /
product
github.com /mfts/papermark
product
github.com /dos-m0nk3y/CVE/tree/main/CVE-2025-57682
third-party-advisory

Sources

CVE List CVE-2025-57682
NVD CVE-2025-57682

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