CVE-2026-12811

LOW EPSS 20.5%
Published Jun 21, 20261w ago · Modified Jun 23, 20261w ago
2.1 CVSS 4.0
Low
Find Similar
Published Jun 21, 2026 1w ago
Last Modified Jun 23, 2026 1w ago

Description

A weakness has been identified in kortix-ai suna up to 0.8.38. Affected by this issue is the function router.replace/router.push of the file apps/frontend/src/app/auth/page.tsx of the component Auth Endpoint. Executing a manipulation of the argument returnURL can lead to cross site scripting. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.8.39 can resolve this issue. This patch is called f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c. It is advisable to upgrade the affected component. The researcher explains: "The issue was fixed in v0.8.39 without notifying the wider user base via a security disclosure."

CVSS Details

Base Score
2.1
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
20.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-79 Cross-site Scripting Injection
CWE-94 Improper Control of Generation of Code (Code Injection) Injection

References 8

  • gist.github.com https://gist.github.com/TrebledJ/fe7241910ac0aaeff86243fc88e9ffed
  • github.com https://github.com/kortix-ai/suna/
  • github.com https://github.com/kortix-ai/suna/commit/f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c
  • github.com https://github.com/kortix-ai/suna/releases/tag/v0.8.39
  • vuldb.com https://vuldb.com/cve/CVE-2026-12811
  • vuldb.com https://vuldb.com/submit/837175
  • vuldb.com https://vuldb.com/vuln/372605
  • vuldb.com https://vuldb.com/vuln/372605/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.