CVE-2026-34931
Critical
Description
hoppscotch is an open source API development ecosystem. Prior to version 2026.3.0, there is an open redirect vulnerability that leads to token exfiltration. With these tokens, the attacker can sign in as the victim to takeover their account. This issue has been patched in version 2026.3.0.
SeverityCritical
CVSS9.6
Exploit probability—
ProductHoppscotch
PublishedApr 2, 2026
First seenApr 2, 2026
Weakness typeCWE-601Open redirect
How to fix
Update
- hoppscotch hoppscotch2026.3.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| hoppscotch hoppscotch | v < 2026.3.0 | 2026.3.0 |
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