| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.6 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in wevm mppx up to 0.4.10. Affected by this vulnerability is an unknown functionality. Such manipulation leads to comparison. This vulnerability is listed as CVE-2026-34210. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.
Details
A vulnerability was found in wevm mppx up to 0.4.10 and classified as problematic. Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a comparison vulnerability. Using CWE to declare the problem leads to CWE-697. The product compares two entities in a security-relevant context, but the comparison is incorrect, which may lead to resultant weaknesses. Impacted is integrity, and availability. CVE summarizes:
mppx is a TypeScript interface for machine payments protocol. Prior to version 0.4.11, the stripe/charge payment method did not check Stripe's Idempotent-Replayed response header when creating PaymentIntents. An attacker could replay a valid credential containing the same spt token against a new challenge, and the server would accept the replayed Stripe PaymentIntent as a new successful payment without actually charging the customer again. This allowed an attacker to pay once and consume unlimited resources by replaying the credential. This issue has been patched in version 0.4.11.
The advisory is available at github.com. This vulnerability is handled as CVE-2026-34210 since 03/26/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available.
Upgrading to version 0.4.11 eliminates this vulnerability.
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Product
Vendor
Name
Version
Website
- Product: https://github.com/wevm/mppx/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 6.7VulDB Meta Temp Score: 6.6
VulDB Base Score: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 8.1
NVD Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: ComparisonCWE: CWE-697
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: mppx 0.4.11
Timeline
03/26/2026 CVE reserved03/31/2026 Advisory disclosed
03/31/2026 VulDB entry created
07/25/2026 VulDB entry last update
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
CVE: CVE-2026-34210 (🔒)
GCVE (CVE): GCVE-0-2026-34210
GCVE (VulDB): GCVE-100-354398
Entry
Created: 03/31/2026 16:59Updated: 07/25/2026 02:06
Changes: 03/31/2026 16:59 (65), 07/25/2026 02:06 (13)
Complete: 🔍
Cache ID: 216::103
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