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PatchSiren cyber security CVE debrief

CVE-2026-36719 CC-T-454455 CVE debrief

CVE-2026-36719 is a HIGH-severity information disclosure vulnerability in AgentChat v2.3.0. The vulnerability exists in the /api/v1/user/info endpoint and allows unauthenticated attackers to obtain sensitive information, including SHA256 password hashes, by enumerating user IDs. The vulnerability was published on [cvePublishedAt] and modified on [cveModifiedAt].

Vendor
CC-T-454455
Product
AgentChat
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-09
Original CVE updated
2026-06-10
Advisory published
2026-06-09
Advisory updated
2026-06-10

Who should care

Users of AgentChat v2.3.0 should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability has a CVSS score of 7.5 and a CVSS severity of HIGH. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. The weakness associated with this vulnerability is CWE-200.

Defensive priority

HIGH

Recommended defensive actions

  • Update to a patched version of AgentChat as soon as available.
  • Limit access to the /api/v1/user/info endpoint to authenticated users only.
  • Implement additional security measures to protect sensitive information.

Evidence notes

The vulnerability was reported by an unknown vendor and has a trust class of official_vulnerability_database.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-36719 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-36719

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-36719 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-36719

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.