pymanager up to 26.0 Working Directory uncontrolled search path
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in pymanager up to 26.0 and classified as problematic. The affected element is an unknown function of the component Working Directory Handler. This manipulation causes an unknown weakness. The identification of this vulnerability is CVE-2026-5271. The attack can only be executed locally. There is no exploit available. The affected component should be upgraded.
Details
A vulnerability was found in pymanager up to 26.0. It has been declared as problematic. Affected by this vulnerability is an unknown part of the component Working Directory Handler. The CWE definition for the vulnerability is CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. As an impact it is known to affect integrity. The summary by CVE is:
pymanager included the current working directory in sys.path meaning modules could be shadowed by modules in the current working directory. As a result, if a user executes a pymanager-generated command (e.g., pip, pytest) from an attacker-controlled directory, a malicious module in that directory can be imported and executed instead of the intended package.
It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-5271 since 03/31/2026. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.
Upgrading to version 26.1 eliminates this vulnerability.
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Product
Name
Version
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: 5.5VulDB Meta Temp Score: 5.5
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Uncontrolled search pathCWE: CWE-427 / CWE-426
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: pymanager 26.1
Timeline
03/31/2026 CVE reserved04/01/2026 Advisory disclosed
04/01/2026 VulDB entry created
10/28/2026 VulDB entry last update
Sources
Advisory: GHSA-jr5x-hgm4-rrm6Status: Confirmed
CNA: PSF
CVE: CVE-2026-5271 (🔒)
GCVE (CVE): GCVE-0-2026-5271
GCVE (VulDB): GCVE-100-354679
Entry
Created: 04/01/2026 17:01Updated: 10/28/2026 08:39
Changes: 04/01/2026 17:01 (65), 10/28/2026 08:39 (16)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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