CVE-2026-12811

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-06-22. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
4.3
EG Score
4.3(high)
EPSS
20.7%
KEV
Not listed

Published

June 22, 2026

Last Modified

June 23, 2026

Advisory Details (4)

Auto-updated Jun 23, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github_release.
github_release Patch Available

v0.8.39 — Sandbox admin panel

Patch available: kortix-ai/suna v0.8.39

https://github.com/kortix-ai/suna/releases/tag/v0.8.39
github_commit

commit f5dec7aa0c1b (kortix-ai/suna)

Fix landed in kortix-ai/suna commit f5dec7aa0c1b — awaiting tagged release

https://github.com/kortix-ai/suna/commit/f5dec7aa0c1b8fa0125938f292c0f2430ca75f6c
generic

GitHub - kortix-ai/suna: The Company AI Command Center · GitHub

https://github.com/kortix-ai/suna/
generic🟡 PoC Available

cvd_kortixsuna_20260410.md · GitHub

https://gist.github.com/TrebledJ/fe7241910ac0aaeff86243fc88e9ffed

Vendor Advisories for CVE-2026-12811(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 22× in last 7d / 51× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 20:40 UTCEG score recompute
  2. 2026-07-06 20:39 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 21:00 UTCEG score recompute
  6. 2026-07-05 21:00 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-05 02:30 UTCEPSS rescore
  9. 2026-07-04 21:21 UTCEG score recompute
  10. 2026-07-04 21:21 UTCGHSA enrichment
  11. 2026-07-04 06:31 UTCEPSS rescore
  12. 2026-07-03 21:42 UTCEG score recompute
  13. 2026-07-03 21:42 UTCGHSA enrichment
  14. 2026-07-02 22:03 UTCEG score recompute
  15. 2026-07-02 22:03 UTCGHSA enrichment
  16. 2026-07-01 22:23 UTCEG score recompute
  17. 2026-07-01 22:23 UTCGHSA enrichment
  18. 2026-07-01 15:06 UTCEPSS rescore
  19. 2026-07-01 15:06 UTCEPSS rescore
  20. 2026-06-30 23:22 UTCEPSS rescore
  21. 2026-06-30 22:20 UTCEG score recompute
  22. 2026-06-30 22:20 UTCGHSA enrichment
  23. 2026-06-29 22:41 UTCEG score recompute
  24. 2026-06-29 22:41 UTCGHSA enrichment
  25. 2026-06-29 14:06 UTCEPSS rescore
Show 26 more
  1. 2026-06-28 23:02 UTCEG score recompute
  2. 2026-06-28 23:02 UTCGHSA enrichment
  3. 2026-06-28 14:07 UTCEPSS rescore
  4. 2026-06-28 04:56 UTCEPSS rescore
  5. 2026-06-28 04:56 UTCEPSS rescore
  6. 2026-06-27 23:23 UTCEG score recompute
  7. 2026-06-27 23:23 UTCGHSA enrichment
  8. 2026-06-27 03:08 UTCEPSS rescore
  9. 2026-06-26 23:44 UTCEG score recompute
  10. 2026-06-26 23:44 UTCGHSA enrichment
  11. 2026-06-26 00:06 UTCEG score recompute
  12. 2026-06-26 00:05 UTCGHSA enrichment
  13. 2026-06-25 13:49 UTCEPSS rescore
  14. 2026-06-25 00:25 UTCEG score recompute
  15. 2026-06-25 00:25 UTCGHSA enrichment
  16. 2026-06-24 14:05 UTCEPSS rescore
  17. 2026-06-24 00:46 UTCEG score recompute
  18. 2026-06-24 00:46 UTCGHSA enrichment
  19. 2026-06-23 21:32 UTCEPSS rescore
  20. 2026-06-23 15:31 UTCNVD updateCVSS v4 → 2.1
  21. 2026-06-23 13:45 UTCMITRE cvelistV5CVSS v4 → 5.3
  22. 2026-06-23 01:07 UTCEG score recompute
  23. 2026-06-23 01:07 UTCGHSA enrichment
  24. 2026-06-22 17:45 UTCNVD updateCVSS v4 → 2.1 · severity → MEDIUM
  25. 2026-06-22 01:28 UTCEG score recompute
  26. 2026-06-22 01:27 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-12811?
CVE-2026-12811 is a medium vulnerability published on June 22, 2026. 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…
When was CVE-2026-12811 disclosed?
CVE-2026-12811 was first published in the National Vulnerability Database on June 22, 2026, with the most recent update on June 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12811 actively exploited?
CVE-2026-12811 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12811?
CVE-2026-12811 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-12811?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12811, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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