CVE-20XX-?
agent?

CVE-2026-102878

8.6 HIGH 0.8% exploit odds No fix listed Other Browser & mail

What it is

mcp-chrome-bridge through 1.0.31 contains an origin validation error in the native-server HTTP API that allows attackers to bypass CORS restrictions. Attackers can craft malicious web pages that make cross-origin requests to the local server and invoke browser automation tools including script execution, page content reading, and screenshot capture.

At a glance

Exploitability
Can be exploited over the network without logging in, but needs a user to act. High risk of data exposure, data tampering.
Exploit odds
0.8% chance of exploitation in the next 30 days (EPSS).
Fix
No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

  1. ReservedThe CVE id was reserved by its CNA
  2. PublishedDisclosed publicly on CVE.org and NVD
  3. Last updatedMost recent change to the record

Why it ranks here

Details

Published
Last modified
Exploit probability
0.8% · EPSS, next 30 days
Weakness
CWE-346
Record status
Deferred

Attack profile CVSS 4.0 · 8.6

Attack vector
Network
Complexity
Low
Attack requirements
None
Privileges needed
None
User interaction
Passive
Confidentiality
High
Integrity
High
Availability
None
Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2026-102878.md and follow it. Check whether this project is affected by CVE-2026-102878. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Meme: I wake up, CVE-2026-102878
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References

NVD record · CVE.org record