CVE-2026-34932: high-severity vulnerability in hoppscotch
hoppscotch: Stored XSS via mock server responses on backend origin
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.5epss 0.3%
hoppscotch is an open source API development ecosystem. Prior to version 2026.3.0, there is a stored XSS vulnerability that can lead to CSRF. This issue has been patched in version 2026.3.0.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Affected products
hoppscotch · hoppscotchRelated CVEs — hoppscotch
In the same product, most dangerous first.
CVE-2026-50160CRITICALMass Assignment via Onboarding Endpoint Allows Unauthenticated JWT_SECRET OverwriteEPSS 1.7%CVE-2026-59721HIGHHoppscotch: Admin RCE via MAILER_SMTP_URL nodemailer sendmail-transport injectionEPSS 1.0%CVE-2023-34097HIGHDatabase password exposed in logs in hoppscotchEPSS 0.7%CVE-2024-34347HIGH@hoppscotch/cli affected by Sandbox Escape in @hoppscotch/js-sandbox leads to RCEEPSS 0.6%CVE-2024-27092MEDIUMContent spoofing - real Hoppscotch emailsEPSS 0.6%CVE-2026-59720HIGHHoppscotch: Insecure Default Configuration Allows Public Exposure of Private Collection Data via Mock ServerEPSS 0.6%