CVE-2026-22794: appsmithorg appsmith · Origin Validation Error
Affects appsmithorg appsmithSource CVE Database V5
Not known to be exploited · CVSS 9.7 Critical : upgrade to 1.93 as a priority.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 32% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.93
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 12 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade appsmith and appsmithorg/appsmith to 1.93.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| appsmithorgappsmith | Affected
| Fixed in
|
GitHubappsmithorg/appsmithpkg:github/appsmithorg/appsmithOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
To mitigate this vulnerability, European organizations should immediately upgrade all Appsmith instances to version 1.93 or later, where the origin validation flaw is fixed. Until upgrades are complete, organizations should implement strict network controls to limit access to Appsmith servers, reducing exposure to untrusted origins. Email templates and link generation logic should be audited to ensure no unvalidated user input influences URLs. Implementing multi-factor authentication (MFA) can reduce the impact of compromised credentials. Security awareness training should emphasize the risks of clicking unexpected password reset or verification links, especially those with suspicious domains. Monitoring and logging of password reset and email verification requests can help detect anomalous activity indicative of exploitation attempts. Finally, organizations should review and restrict CORS policies and validate all incoming Origin headers on the server side to prevent similar origin-based attacks in the future.
Description
CVE-2026-22794 is a critical origin validation vulnerability in Appsmith versions prior to 1.93. The server improperly uses the Origin header from HTTP requests as the base URL for password reset and email verification links without validation. An attacker who can control the Origin header can craft emails with links pointing to a malicious domain, exposing authentication tokens and enabling account takeover. This vulnerability affects confidentiality, integrity, and availability of user accounts. It requires no privileges but does require user interaction to click the malicious link. The issue is fixed in Appsmith version 1.93. European organizations using vulnerable Appsmith versions should urgently update to mitigate risk. Countries with significant adoption of Appsmith and critical internal tooling deployments are most at risk.