lukevella rallly up to 4.5.5 /api/trpc/polls.get information disclosure
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in lukevella rallly up to 4.5.5 and classified as problematic. This affects an unknown part of the file /api/trpc/polls.get. Such manipulation leads to information disclosure. This vulnerability is traded as CVE-2025-66027. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.
Details
A vulnerability was found in lukevella rallly up to 4.5.5. It has been rated as problematic. Affected by this issue is an unknown code of the file /api/trpc/polls.get. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:
Rallly is an open-source scheduling and collaboration tool. Prior to version 4.5.6, an information disclosure vulnerability exposes participant details, including names and email addresses through the /api/trpc/polls.get,polls.participants.list endpoint, even when Pro privacy features are enabled. This bypasses intended privacy controls that should prevent participants from viewing other users’ personal information. This issue has been patched in version 4.5.6.
The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-66027 since 11/21/2025. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.
Upgrading to version 4.5.6 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 59738c04f9a8ec25f0af5ce20ad0eab6cf134963 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-199883). Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
License
Website
- Product: https://github.com/lukevella/rallly/
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: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
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: rallly 4.5.6
Patch: 59738c04f9a8ec25f0af5ce20ad0eab6cf134963
Timeline
11/21/2025 CVE reserved11/29/2025 Advisory disclosed
11/29/2025 VulDB entry created
12/04/2025 VulDB entry last update
Sources
Product: github.comAdvisory: GHSA-65wg-8xgw-f3fg
Status: Confirmed
CVE: CVE-2025-66027 (🔒)
GCVE (CVE): GCVE-0-2025-66027
GCVE (VulDB): GCVE-100-333764
EUVD: 🔒
Entry
Created: 11/29/2025 09:14Updated: 12/04/2025 06:38
Changes: 11/29/2025 09:14 (71), 11/29/2025 10:31 (1), 12/04/2025 06:38 (11)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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