Security readout for executives and security teams
Plain-English summary
CVE-2026-45245 lets a malicious web page trick vulnerable Summarize versions into sending authenticated requests through the local daemon when a user interacts with attacker-controlled content. The business risk is exposure of local or private-network resources reachable by the daemon, not direct system takeover.
Executive priority
Treat this as a high-priority user-side exposure issue where Summarize is deployed. Prioritize teams with access to internal systems, developer workstations, and privileged browser sessions.
Technical view
Summarize before 0.15.1 did not verify trustworthiness of hover summary events. Synthetic mouseover events over attacker-controlled links could trigger daemon requests using stored tokens. The issue maps to SSRF-style behavior and improper endpoint restrictions, with network attack vector, low complexity, required user interaction, and high confidentiality impact.
Likely exposure
Exposure is likely limited to environments using steipete Summarize versions before 0.15.1 with the extension and daemon enabled. Risk is higher where the daemon can reach localhost, private networks, or sensitive internal services.
Exploitation context
The CVE requires user interaction with attacker-controlled content. The source bundle does not cite active exploitation, and KEV is false. Public details describe the vulnerability class and patch references, but do not establish exploitation in the wild.
Researcher notes
The record names steipete Summarize prior to 0.15.1 and references a patch commit, PR, release notes, and VulnCheck advisory. Evidence supports confidentiality risk through authenticated daemon request routing, but not active exploitation.
Mitigation direction
- Upgrade Summarize to 0.15.1 or later, preferably the current vendor release.
- Disable the hover summary feature until affected installations are upgraded.
- Restrict daemon access to local or private-network endpoints where operationally feasible.
- Review vendor release notes and pull request details before production rollout.
Validation and detection
- Inventory Summarize installations and identify versions older than 0.15.1.
- Confirm extension and daemon components are both updated or removed.
- Review daemon logs for unexpected requests to local or private-network URLs.
- Validate patched builds reject untrusted hover events in a controlled test environment.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-918: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-940: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-45245 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N2.84VulnCheckCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
4.6MediumVector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N
Base CVSS 3.1 score
7.4HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/steipete/summarize/releases/tag/v0.15.2CVE reference, VulnCheck · release-notes
- https://github.com/steipete/summarize/pull/218CVE reference, VulnCheck · issue-tracking
- https://github.com/steipete/summarize/commit/ecbb2c414255aa480a15d0d8b205224c14cfdbcbCVE reference, VulnCheck · patch
- https://www.vulncheck.com/advisories/summarize-unauthorized-daemon-request-via-untrusted-eventsCVE reference, VulnCheck · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Server-Side Request Forgery (SSRF)
Server-Side Request Forgery (SSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Improper Verification of Source of a Communication Channel
Improper Verification of Source of a Communication Channel represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.