CVE-2026-53727
HighAdvisory
Published 9 Jul 2026In the index since 6 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 8.9
- base score, highest
- EPSS
- 0.004
- 30th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 4
- of 17,781 indexed, latest versions
- Container images
- 6
- deployed by those charts
- Fix available
- 1 of 1
- affected package
Ruby CSS Parser: SSRF and Local File Disclosure in `CssParser::Parser#read_remote_file`
Carried by container images the latest versions of 4 of 17,781 indexed charts deploy, on 6 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| css_parsergem | 1.7.0, 1.12.0, 2.2.0 | 3.0.0 | 6 |
- OSV records
- GHSA-9pmc-p236-855h
Charts affected
4 by stars
Container images carrying it
6 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| library/ | 04ac44a2595b | css_parser | 3.0.0 | 1 |
| mirrorgitlabcontainers/ | 94d1431683fa | css_parser | 3.0.0 | 1 |
| mirrorgitlabcontainers/ | 9efd73993c34 | css_parser | 3.0.0 | 1 |
| mirrorgitlabcontainers/ | 30393f990f5c | css_parser | 3.0.0 | 1 |
| ghcr.io/ | 6b18e6d0eda4 | css_parser | 3.0.0 | 1 |
| ghcr.io/ | 43b23d55e4be | css_parser | 3.0.0 | 1 |