Apache SkyWalking MCP up to 0.1.0 set_skywalking_url injection

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.9 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Apache SkyWalking MCP up to 0.1.0. It has been declared as critical. The affected element is the function set_skywalking_url. The manipulation results in injection.
This vulnerability is reported as CVE-2026-34884. The attack can be launched remotely. No exploit exists.
It is recommended to upgrade the affected component.
Details
A vulnerability, which was classified as critical, was found in Apache SkyWalking MCP up to 0.1.0. Affected is the function set_skywalking_url. The manipulation with an unknown input leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
SSRF via set_skywalking_url Tool and GraphQL expression injection vulnerability in Apache SkyWalking MCP. This issue affects Apache SkyWalking MCP: 0.1.0. Users are recommended to upgrade to version 0.2.0, which fixes this issue.
The advisory is shared for download at lists.apache.org. This vulnerability is traded as CVE-2026-34884. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/06/2026). The MITRE ATT&CK project declares the attack technique as T1055.
Upgrading to version 0.2.0 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-60572). Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apache.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.0VulDB Meta Temp Score: 7.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
ADP CISA Base Score: 9.8
ADP CISA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: InjectionCWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: SkyWalking MCP 0.2.0
Timeline
04/13/2026 Advisory disclosed04/13/2026 VulDB entry created
09/06/2026 VulDB entry last update
Sources
Vendor: apache.orgAdvisory: lists.apache.org
Status: Confirmed
CVE: CVE-2026-34884 (🔒)
GCVE (CVE): GCVE-0-2026-34884
GCVE (VulDB): GCVE-100-357132
EUVD: 🔒
Entry
Created: 04/13/2026 15:05Updated: 09/06/2026 01:50
Changes: 04/13/2026 15:05 (53), 08/18/2026 12:34 (1), 09/06/2026 01:50 (12)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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