CVE-2026-22685
CVE-2026-22685 is a high-severity vulnerability in Devtoys with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 0% (31st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-1873
- Weakness: CWE-22
- Affected product: Devtoys
- Published:
- Last modified:
Description
DevToys is a desktop app for developers. In versions from 2.0.0.0 to before 2.0.9.0, a path traversal vulnerability exists in the DevToys extension installation mechanism. When processing extension packages (NUPKG archives), DevToys does not sufficiently validate file paths contained within the archive. A malicious extension package could include crafted file entries such as ../../…/target-file, causing the extraction process to write files outside the intended extensions directory. This flaw enables an attacker to overwrite arbitrary files on the user’s system with the privileges of the DevToys process. Depending on the environment, this may lead to code execution, configuration tampering, or corruption of application or system files. This issue has been patched in version 2.0.9.0.
Frequently asked questions
- What is CVE-2026-22685?
- DevToys is a desktop app for developers. In versions from 2.0.0.0 to before 2.0.9.0, a path traversal vulnerability exists in the DevToys extension installation mechanism. When processing extension packages (NUPKG archives), DevToys does not sufficiently validate file paths contained within the archive. A malicious extension package could include crafted file entries such as ../../…/target-file, causing the extraction process to write files outside the intended extensions directory. This flaw enables an attacker to overwrite arbitrary files on the user’s system with the privileges of the DevToys process. Depending on the environment, this may lead to code execution, configuration tampering, or corruption of application or system files. This issue has been patched in version 2.0.9.0.
- How severe is CVE-2026-22685?
- CVE-2026-22685 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-22685 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-22685?
- CVE-2026-22685 affects Devtoys. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-22685?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-22685 have an EU (EUVD) identifier?
- Yes. CVE-2026-22685 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1873.
- When was CVE-2026-22685 published?
- CVE-2026-22685 was published on 2026-01-10 and last updated on 2026-06-17.
References
- https://github.com/DevToys-app/DevToys/commit/02fb7d46d9c663a4ee6ed968baa6a8810405047f
- https://github.com/DevToys-app/DevToys/pull/1643
- https://github.com/DevToys-app/DevToys/security/advisories/GHSA-ggxr-h6fm-p2qh
Affected products (1)
- cpe:2.3:a:devtoys:devtoys:*:*:*:*:*:*:*:*
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