Internal data disclosure via unchecked redirect targets
Published Mar 7, 2026 · Updated Mar 7, 2026
SSRF in Tencent WeKnora before 0.2.12 allows remote authenticated users to read internal service responses through crafted URL imports. The URL-import endpoint checks only the initial URL, then follows 307 responses without applying IsSSRFSafeURL to each redirect target. A valid token and an attacker-controlled redirect are required; successful requests expose responses from services reachable by the backend.
Summary
What happened
SSRF in Tencent WeKnora before 0.2.12 allows remote authenticated users to read internal service responses through crafted URL imports. The URL-import endpoint checks only the initial URL, then follows 307 responses without applying IsSSRFSafeURL to each redirect target. A valid token and an attacker-controlled redirect are required; successful requests expose responses from services reachable by the backend.
The record
- CVE
- CVE-2026-30247
- Published
- Mar 7, 2026
- Updated
- Mar 7, 2026
- Vendor
- Tencent
- Product
- WeKnora
- Classifications
- CWE-918, CAPEC-664, T1190
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Mar 7, 2026CVE publishedPublication date reported by the CVE source.
- Mar 7, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=< 0.2.12
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
- GHSA-595m-wc8g-6qgc redirect proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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