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SSRF and Local File Disclosure in `CssParser::Parser#read_remote_file`

🗓️ 01 Jun 2026 00:00:00Reported by RubySecType 
rubygems
 rubygems
🔗 rubysec.com👁 16 Views

SSRF and local file disclosure via CssParser read_remote_file with attacker-controlled CSS and redirects.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-53727
17 Jul 202620:30
attackerkb
circl
Circl
CVE-2026-53727
9 Jul 202614:35
circl
cve
CVE
CVE-2026-53727
17 Jul 202620:30
cve
cvelist
Cvelist
CVE-2026-53727 css_parser: SSRF and Local File Disclosure in `CssParser::Parser#read_remote_file`
17 Jul 202620:30
cvelist
debiancve
Debian CVE
CVE-2026-53727
17 Jul 202620:30
debiancve
euvd
EUVD
EUVD-2026-45324
17 Jul 202620:30
euvd
github
Github Security Blog
Ruby CSS Parser: SSRF and Local File Disclosure in `CssParser::Parser#read_remote_file`
9 Jul 202613:43
github
nvd
NVD
CVE-2026-53727
17 Jul 202621:17
nvd
osv
OSV
CGA-2JJQ-GRW6-C4X5
9 Jul 202618:38
osv
osv
OSV
CGA-2MFV-HPM6-6H4J
10 Jul 202602:15
osv
Rows per page
Vulners
Node
rubycss_parserRange3.0.0

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01 Jun 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.18.6
CVSS 48.9
EPSS0.00365
SSVC
16