CVE-2026-10278 (GCVE-0-2026-10278)

Vulnerability from cvelistv5 – Published: 2026-06-01 17:30 – Updated: 2026-06-02 12:46
VLAI
Title
ishayoyo excel-mcp read_file/write_file index.ts path traversal
Summary
A vulnerability was determined in ishayoyo excel-mcp up to 1.0.2. Impacted is an unknown function of the file src/index.ts of the component read_file/write_file. Executing a manipulation of the argument filePath/outputPath can lead to path traversal. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Severity
5.3 (Medium)
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
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
URL Tags
https://vuldb.com/vuln/367571 vdb-entrytechnical-description
https://vuldb.com/vuln/367571/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-10278 third-party-advisory
https://vuldb.com/submit/825418 third-party-advisory
https://github.com/ishayoyo/excel-mcp/issues/6 exploitissue-tracking
https://github.com/ishayoyo/excel-mcp/ product
Impacted products
Vendor Product Version
ishayoyo excel-mcp Affected: 1.0.0
Affected: 1.0.1
Affected: 1.0.2
    cpe:2.3:a:ishayoyo:excel-mcp:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
ccccccctfi (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.