Authenticated internal service access via unguarded URL fetch
Published Jun 21, 2026 · Updated Jun 21, 2026
Server-side request forgery in Activepieces 0.83.0 and earlier allows remote authenticated users to access internal services via File URLs. The handleUrlFile function passes an untrusted URL path directly to global fetch without applying the engine's SSRF guard. Access to workflow file inputs is required; successful requests can reach loopback, private, link-local, or metadata endpoints and pass returned bytes into later workflow operations.
Summary
What happened
Server-side request forgery in Activepieces 0.83.0 and earlier allows remote authenticated users to access internal services via File URLs. The handleUrlFile function passes an untrusted URL path directly to global fetch without applying the engine's SSRF guard. Access to workflow file inputs is required; successful requests can reach loopback, private, link-local, or metadata endpoints and pass returned bytes into later workflow operations.
The record
- CVE
- CVE-2026-12813
- Published
- Jun 21, 2026
- Updated
- Jun 21, 2026
- Vendor
- Activepieces
- Product
- Activepieces
- Classifications
- CWE-918, T1190
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jun 21, 2026CVE publishedPublication date reported by the CVE source.
- Jun 21, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0.1
- Affected versionversion=0.10
- Affected versionversion=0.11
- Affected versionversion=0.12
- Affected versionversion=0.13
- Affected versionversion=0.14
- Affected versionversion=0.15
- Affected versionversion=0.16
- Affected versionversion=0.17
- Affected versionversion=0.18
- Affected versionversion=0.19
- Affected versionversion=0.2
- Affected versionversion=0.20
- Affected versionversion=0.21
- Affected versionversion=0.22
- Affected versionversion=0.23
- Affected versionversion=0.24
- Affected versionversion=0.25
- Affected versionversion=0.26
- Affected versionversion=0.27
- Affected versionversion=0.28
- Affected versionversion=0.29
- Affected versionversion=0.3
- Affected versionversion=0.30
- Affected versionversion=0.31
- Affected versionversion=0.32
- Affected versionversion=0.33
- Affected versionversion=0.34
- Affected versionversion=0.35
- Affected versionversion=0.36
- Affected versionversion=0.37
- Affected versionversion=0.38
- Affected versionversion=0.39
- Affected versionversion=0.4
- Affected versionversion=0.40
- Affected versionversion=0.41
- Affected versionversion=0.42
- Affected versionversion=0.43
- Affected versionversion=0.44
- Affected versionversion=0.45
- Affected versionversion=0.46
- Affected versionversion=0.47
- Affected versionversion=0.48
- Affected versionversion=0.49
- Affected versionversion=0.5
- Affected versionversion=0.50
- Affected versionversion=0.51
- Affected versionversion=0.52
- Affected versionversion=0.53
- Affected versionversion=0.54
- Affected versionversion=0.55
- Affected versionversion=0.56
- Affected versionversion=0.57
- Affected versionversion=0.58
- Affected versionversion=0.59
- Affected versionversion=0.6
- Affected versionversion=0.60
- Affected versionversion=0.61
- Affected versionversion=0.62
- Affected versionversion=0.63
- Affected versionversion=0.64
- Affected versionversion=0.65
- Affected versionversion=0.66
- Affected versionversion=0.67
- Affected versionversion=0.68
- Affected versionversion=0.69
- Affected versionversion=0.7
- Affected versionversion=0.70
- Affected versionversion=0.71
- Affected versionversion=0.72
- Affected versionversion=0.73
- Affected versionversion=0.74
- Affected versionversion=0.75
- Affected versionversion=0.76
- Affected versionversion=0.77
- Affected versionversion=0.78
- Affected versionversion=0.79
- Affected versionversion=0.8
- Affected versionversion=0.80
- Affected versionversion=0.81
- Affected versionversion=0.82
- Affected versionversion=0.83.0
- Affected versionversion=0.9
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Activepieces FILE property URL processor SSRF proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
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