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CVE Vulnerability Details :
CVE-2026-12811
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-21 Jun, 2026 | 22:00
Updated At-23 Jun, 2026 | 13:37
Rejected At-
▼CVE Numbering Authority (CNA)
kortix-ai suna Auth Endpoint page.tsx router.push cross site scripting

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."

Affected Products
Vendor
kortix-ai
Product
suna
CPEs
  • cpe:2.3:a:kortix-ai:suna:*:*:*:*:*:*:*:*
Modules
  • Auth Endpoint
Versions
Affected
  • 0.8.0
  • 0.8.1
  • 0.8.2
  • 0.8.3
  • 0.8.4
  • 0.8.5
  • 0.8.6
  • 0.8.7
  • 0.8.8
  • 0.8.9
  • 0.8.10
  • 0.8.11
  • 0.8.12
  • 0.8.13
  • 0.8.14
  • 0.8.15
  • 0.8.16
  • 0.8.17
  • 0.8.18
  • 0.8.19
  • 0.8.20
  • 0.8.21
  • 0.8.22
  • 0.8.23
  • 0.8.24
  • 0.8.25
  • 0.8.26
  • 0.8.27
  • 0.8.28
  • 0.8.29
  • 0.8.30
  • 0.8.31
  • 0.8.32
  • 0.8.33
  • 0.8.34
  • 0.8.35
  • 0.8.36
  • 0.8.37
  • 0.8.38
Unaffected
  • 0.8.39
Problem Types
TypeCWE IDDescription
CWECWE-79Cross Site Scripting
CWECWE-94Code Injection
Type: CWE
CWE ID: CWE-79
Description: Cross Site Scripting
Type: CWE
CWE ID: CWE-94
Description: Code Injection
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
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
3.14.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C
3.04.3MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C
2.05.0N/A
AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:OF/RC:C
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
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
Version: 3.1
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C
Version: 3.0
Base score: 4.3
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C
Version: 2.0
Base score: 5.0
Base severity: N/A
Vector:
AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:OF/RC:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
trebledj (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-06-21 00:00:00
VulDB entry created2026-06-21 02:00:00
VulDB entry last update2026-06-21 06:40:03
Event: Advisory disclosed
Date: 2026-06-21 00:00:00
Event: VulDB entry created
Date: 2026-06-21 02:00:00
Event: VulDB entry last update
Date: 2026-06-21 06:40:03
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/vuln/372605
vdb-entry
technical-description
https://vuldb.com/vuln/372605/cti
signature
permissions-required
https://vuldb.com/cve/CVE-2026-12811
third-party-advisory
https://vuldb.com/submit/837175
third-party-advisory
https://gist.github.com/TrebledJ/fe7241910ac0aaeff86243fc88e9ffed
exploit
https://github.com/kortix-ai/suna/commit/f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c
patch
https://github.com/kortix-ai/suna/releases/tag/v0.8.39
patch
https://github.com/kortix-ai/suna/
product
Hyperlink: https://vuldb.com/vuln/372605
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/372605/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/cve/CVE-2026-12811
Resource:
third-party-advisory
Hyperlink: https://vuldb.com/submit/837175
Resource:
third-party-advisory
Hyperlink: https://gist.github.com/TrebledJ/fe7241910ac0aaeff86243fc88e9ffed
Resource:
exploit
Hyperlink: https://github.com/kortix-ai/suna/commit/f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c
Resource:
patch
Hyperlink: https://github.com/kortix-ai/suna/releases/tag/v0.8.39
Resource:
patch
Hyperlink: https://github.com/kortix-ai/suna/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found