CVE-2023-26961
CVE-2023-26961 is a medium-severity vulnerability in Alteryx Alteryx Server with a CVSS 3.x base score of 4.8. 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-79.
Key facts
- Severity: Medium (CVSS 3.x base score 4.8)
- EPSS exploit prediction: 0% (35th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Alteryx Alteryx Server
- Published:
- Last modified:
Description
Alteryx Server 2022.1.1.42590 does not employ file type verification for uploaded files. This vulnerability allows attackers to upload arbitrary files (e.g., JavaScript content for stored XSS) via the type field in a JSON document within a PUT /gallery/api/media request.
Frequently asked questions
- What is CVE-2023-26961?
- Alteryx Server 2022.1.1.42590 does not employ file type verification for uploaded files. This vulnerability allows attackers to upload arbitrary files (e.g., JavaScript content for stored XSS) via the type field in a JSON document within a PUT /gallery/api/media request.
- How severe is CVE-2023-26961?
- CVE-2023-26961 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2023-26961 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-26961?
- CVE-2023-26961 affects Alteryx Alteryx Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-26961?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-26961 published?
- CVE-2023-26961 was published on 2023-08-08 and last updated on 2026-07-05.
References
Affected products (1)
- cpe:2.3:a:alteryx:alteryx_server:2022.1.1.42590:*:*:*:*:*:*:*
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