CVE-2026-44829Public exploitNetwork attack vector

Arbitrary file write via unsanitized ZIP entry names

Published Aug 19, 2026 · Updated Aug 19, 2026

Path traversal in Gotenberg 8.32.0 and earlier allows remote attackers to cause arbitrary file writes through crafted ZIP entries. Linux filepath.Base preserves backslashes in multipart filenames, which then flow through diskToOriginal into archive entry names unchanged. Exploitation requires a Windows-side user or process to extract the returned archive; Gotenberg does not perform the out-of-directory write.

CVSS severity8.8
High
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in Gotenberg 8.32.0 and earlier allows remote attackers to cause arbitrary file writes through crafted ZIP entries. Linux filepath.Base preserves backslashes in multipart filenames, which then flow through diskToOriginal into archive entry names unchanged. Exploitation requires a Windows-side user or process to extract the returned archive; Gotenberg does not perform the out-of-directory write.

The record

CVE
CVE-2026-44829
Published
Aug 19, 2026
Updated
Aug 19, 2026
Vendor
Gotenberg
Product
Gotenberg
Classifications
CWE-22, T1204.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 19, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 19, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 8.33.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Gotenberg · Gotenbergversion=< 8.33.0

Published CVSS scores

8.8GitHubCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
T1204.002Malicious File

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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