CVE-2026-19040

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 15.4% of scored records. A rank, not a probability.

NVD base score

2.1 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-08-12.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-08-06 13:15Z29 DAYS AGO

Last updated

2026-08-06 15:05Z29 DAYS AGO

Reserved

2026-08-06

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Weaknesses

• CWE-918Server-Side Request Forgery (SSRF)Base

Data version

5.2

Document digest

99c611027787899743e21ba0a6832466821ce7a8fe33b7391ee0ecd3cd3c71cf

• vuldb.comVDB-386459 | MissionSquad mcp-api dcrClients.ts server-side request forgeryhttps://vuldb.com/vuln/386459vdb-entry
• vuldb.comVDB-386459 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/vuln/386459/ctisignaturepermissions-required
• vuldb.comCVE-2026-19040 | CVE Analysis and Reporthttps://vuldb.com/cve/CVE-2026-19040third-party-advisory
• vuldb.comSubmit #863829 | MissionSquad mcp-api unknown Server-Side Request Forgeryhttps://vuldb.com/submit/863829third-party-advisory
• github.comhttps://github.com/MissionSquad/mcp-api/issues/42issue-tracking
• github.comhttps://github.com/MissionSquad/mcp-api/pull/45issue-trackingpatch
• github.comhttps://github.com/MissionSquad/mcp-api/commit/f068ab4ad6f0907ac7001b995588c2673f11a755patch
• github.comhttps://github.com/MissionSquad/mcp-api/releases/tag/v1.11.10patch
• github.comhttps://github.com/MissionSquad/mcp-api/product