Description
Directory traversal vulnerability in wkhtmltopdf through 0.12.5 allows remote attackers to read local files and disclose sensitive information via a crafted html file running with the default configurations.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 12 | wkhtmltopdf | 0.12.6-1 | — |
| Debian 10 | wkhtmltopdf | 0.12.5-1+deb10u1 | DLA-3158-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | wkhtmltopdf | 0.12.5-1ubuntu0.1 | USN-6232-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | wkhtmltopdf | 0.12.4-1ubuntu0.1~esm1 | USN-6232-1 |
| Ubuntu Pro 16.04 LTS | wkhtmltopdf | 0.12.2.4-1ubuntu0.1~esm1 | USN-6232-1 |
| Ubuntu Pro 14.04 LTS | wkhtmltopdf | 0.9.9-4ubuntu0.1~esm1 | USN-6232-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
samaellovecraft/CVE-2020-21365 ★ 1 · Jun 21, 2025
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- USN-6232-1 wkhtmltopdf vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026
- DLA-3158-1 wkhtmltopdf - security update Debian Security (DSA / DLA) · Mar 9, 2026