How severe is CVE-2026-12203?

CVE-2026-12203 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-12203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-12203?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-12203 have an EU (EUVD) identifier?

Yes. CVE-2026-12203 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36678.

When was CVE-2026-12203 published?

CVE-2026-12203 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2026-12203

CVE-2026-12203 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
CVSS v4: 5.5
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36678
Weakness: CWE-200
Published: 2026-06-15
Last modified: 2026-06-17

Description

A vulnerability was found in HKUDS AI-Trader up to 74caf996f78dcc0c657df8365c8544678a16e215. This affects an unknown part of the file /api/research/agents.csv of the component Research Export. Performing a manipulation results in information disclosure. Remote exploitation of the attack is possible. The exploit has been made public and could be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The patch is named 91a31aac1b0f4dbc6b8bef9f6eff0b7912e0bc65. Applying a patch is the recommended action to fix this issue. The vendor confirms: "Research export endpoints now require an authenticated agent with the research_exports capability".

Frequently asked questions

What is CVE-2026-12203?: A vulnerability was found in HKUDS AI-Trader up to 74caf996f78dcc0c657df8365c8544678a16e215. This affects an unknown part of the file /api/research/agents.csv of the component Research Export. Performing a manipulation results in information disclosure. Remote exploitation of the attack is possible. The exploit has been made public and could be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The patch is named 91a31aac1b0f4dbc6b8bef9f6eff0b7912e0bc65. Applying a patch is the recommended action to fix this issue. The vendor confirms: "Research export endpoints now require an authenticated agent with the research_exports capability".
How severe is CVE-2026-12203?: CVE-2026-12203 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-12203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-12203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-12203 have an EU (EUVD) identifier?: Yes. CVE-2026-12203 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36678.
When was CVE-2026-12203 published?: CVE-2026-12203 was published on 2026-06-15 and last updated on 2026-06-17.

References

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