CVE-2026-12813
CVE-2026-12813 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. 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-918.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- CVSS v2: 6.5
- CVSS v4: 2.1
- EPSS exploit prediction: 0% (10th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-38199
- Weakness: CWE-918
- Published:
- Last modified:
Description
A vulnerability was detected in activepieces up to 0.83.0. This vulnerability affects the function handleUrlFile in the library packages/server/engine/src/lib/variables/processors/file.ts of the component File URL Handler. The manipulation results in server-side request forgery. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Frequently asked questions
- What is CVE-2026-12813?
- A vulnerability was detected in activepieces up to 0.83.0. This vulnerability affects the function handleUrlFile in the library packages/server/engine/src/lib/variables/processors/file.ts of the component File URL Handler. The manipulation results in server-side request forgery. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- How severe is CVE-2026-12813?
- CVE-2026-12813 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2026-12813 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-12813?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-12813 have an EU (EUVD) identifier?
- Yes. CVE-2026-12813 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38199.
- When was CVE-2026-12813 published?
- CVE-2026-12813 was published on 2026-06-21 and last updated on 2026-06-22.
References
- https://github.com/dxz0069/softwareoverflow/blob/main/activepieces_file_property_url_ssrf_vulndb.md
- https://vuldb.com/cve/CVE-2026-12813
- https://vuldb.com/submit/837553
- https://vuldb.com/vuln/372607
- https://vuldb.com/vuln/372607/cti
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