CVE-2026-12811 (GCVE-0-2026-12811)
Vulnerability from cvelistv5 – Published: 2026-06-21 22:00 – Updated: 2026-06-23 13:37 X_Open Source
VLAI
Title
kortix-ai suna Auth Endpoint page.tsx router.push cross site scripting
Summary
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."
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/372605 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/372605/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-12811 | third-party-advisory |
| https://vuldb.com/submit/837175 | third-party-advisory |
| https://gist.github.com/TrebledJ/fe7241910ac0aaef… | exploit |
| https://github.com/kortix-ai/suna/commit/f5dec7aa… | patch |
| https://github.com/kortix-ai/suna/releases/tag/v0.8.39 | patch |
| https://github.com/kortix-ai/suna/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| kortix-ai | suna |
Affected:
0.8.0
Affected: 0.8.1 Affected: 0.8.2 Affected: 0.8.3 Affected: 0.8.4 Affected: 0.8.5 Affected: 0.8.6 Affected: 0.8.7 Affected: 0.8.8 Affected: 0.8.9 Affected: 0.8.10 Affected: 0.8.11 Affected: 0.8.12 Affected: 0.8.13 Affected: 0.8.14 Affected: 0.8.15 Affected: 0.8.16 Affected: 0.8.17 Affected: 0.8.18 Affected: 0.8.19 Affected: 0.8.20 Affected: 0.8.21 Affected: 0.8.22 Affected: 0.8.23 Affected: 0.8.24 Affected: 0.8.25 Affected: 0.8.26 Affected: 0.8.27 Affected: 0.8.28 Affected: 0.8.29 Affected: 0.8.30 Affected: 0.8.31 Affected: 0.8.32 Affected: 0.8.33 Affected: 0.8.34 Affected: 0.8.35 Affected: 0.8.36 Affected: 0.8.37 Affected: 0.8.38 Unaffected: 0.8.39 cpe:2.3:a:kortix-ai:suna:*:*:*:*:*:*:*:* |
Credits
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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