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Regular Expression Denial Of Service (ReDoS)

🗓️ 08 Jul 2025 08:18:51Reported by Veracode Vulnerability DatabaseType 
veracode
 veracode
🔗 sca.analysiscenter.veracode.com👁 17 Views

fastapi-guard is vulnerable to Regular Expression Denial Of Service causing high CPU usage and unavailability

Related
Detection
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
fastapi-guard Regular Expression DoS
9 Jul 202500:00
–bdu_fstec
circl
Circl
CVE-2025-53539
7 Jul 202511:44
–circl
cnnvd
CNNVD
Fastapi-guard security vulnerabilities
7 Jul 202500:00
–cnnvd
cve
CVE
CVE-2025-53539
7 Jul 202519:16
–cve
cvelist
Cvelist
CVE-2025-53539 ReDoS in fastapi-guard's penetration attempts detector
7 Jul 202519:16
–cvelist
euvd
EUVD
EUVD-2025-20307
3 Oct 202520:07
–euvd
github
Github Security Blog
fastapi-guard is vulnerable to ReDoS through inefficient regex
7 Jul 202523:36
–github
mend
Mend
CVE-2025-53539
7 Jul 202519:16
–mend
nvd
NVD
CVE-2025-53539
7 Jul 202520:15
–nvd
osv_ghsa
osv_ghsa
GHSA-J47Q-RC62-W448 fastapi-guard is vulnerable to ReDoS through inefficient regex
7 Jul 202523:36
–osv_ghsa
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22 Jun 2026 12:42Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
CVSS 46.9
EPSS0.00481
SSVC
17