CVE detail
CVE-2026-45243
Summarize prior to 0.15.1 contains a missing authorization vulnerability in the content script window.postMessage bridge that allows malicious pages to perform unauthorized operations on automation artifacts. Attackers can simulate runtime messages with spoofed sender identifiers to list, read, create, overwrite, or delete automation artifacts scoped to the affected tab without proper authorization checks.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 16.1 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 4.5
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
4 source links · newest first
- https://www.vulncheck.com/advisories/summarize-browser-extension-missing-authorization-via-content-scriptwww.vulncheck.com
No excerpt available.
Exploitwww.vulncheck.comMay 18, 2026, 7:16 PM No excerpt available.
Exploitgithub.comMay 18, 2026, 7:16 PMNo excerpt available.
Exploitgithub.comMay 18, 2026, 7:16 PMNo excerpt available.
Exploitgithub.comMay 18, 2026, 7:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
1 repository references · best confidence 0.90 · max 0 stars
- steipete/summarizeHigh confidencegithubNVD Exploit reference0 starsDiscovered Jul 15, 2026, 12:10 AM
NVD labels the source link as Exploit; this is not independent verification of the repository's code.
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2026-45244CVSS 2.1 · Low
Summarize prior to 0.15.1 contains a missing authorization vulnerability that allows attackers to execute browser automation actions without per-call user approval when the extens…
- CVE-2026-45242CVSS 7.1 · High
Summarize prior to 0.15.1 contains a path traversal vulnerability in the /v1/summarize daemon endpoint that allows authenticated callers to write files to arbitrary directories by…
- CVE-2026-4672CVSS 4.3 · Medium
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have…
- CVE-2026-14341CVSS 4.9 · Medium
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have…
- CVE-2026-16543CVSS 7.1 · High
Kong Operator's embedded Kong Kubernetes Ingress Controller (KIC) allows a user with namespace-scoped Secret creation privileges to cause a cluster-wide ingress configuration deni…
- CVE-2026-15228CVSS 7.1 · High
Kong Kubernetes Ingress Controller (KIC) allows a user with namespace-scoped Secret creation privileges to cause a cluster-wide ingress configuration denial of service. KIC collec…