CVE-2026-109144
wbond certvalidator Certificate Path Builder resource consumption
A vulnerability was identified in wbond certvalidator up to 0.11.1. This issue affects some unknown processing of the component Certificate Path Builder. Such manipulation leads to resource consumption. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
wbond certvalidator Certificate Path Builder resource consumption
A vulnerability was identified in wbond certvalidator up to 0.11.1. This issue affects some unknown processing of the component Certificate Path Builder. Such manipulation leads to resource consumption. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
CVE-2026-109144- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:C - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:C - CVSS 2.0
- 5.0
AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:ND/RC:C - Weakness
- CWE-400, CWE-404
- Updated
- 2026-11-02
EUVDEUVD-2026-98376
A vulnerability was identified in wbond certvalidator up to 0.11.1. This issue affects some unknown processing of the component Certificate Path Builder. Such manipulation leads to resource consumption. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
EUVD-2026-98376- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-cf2m-vhjm-x2qm
A vulnerability was identified in wbond certvalidator up to 0.11.1. This issue affects some...
A vulnerability was identified in wbond certvalidator up to 0.11.1. This issue affects some unknown processing of the component Certificate Path Builder. Such manipulation leads to resource consumption. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
GHSA-cf2m-vhjm-x2qm- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Weakness
- CWE-400
- Updated
- 2026-11-02
NVD
A vulnerability was identified in wbond certvalidator up to 0.11.1. This issue affects some unknown processing of the component Certificate Path Builder. Such manipulation leads to resource consumption. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
CVE-2026-109144- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-400, CWE-404
- Updated
- 2026-11-02
OSV
wbond certvalidator Certificate Path Builder resource consumption
A vulnerability was identified in wbond certvalidator up to 0.11.1. This issue affects some unknown processing of the component Certificate Path Builder. Such manipulation leads to resource consumption. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
CVE-2026-109144- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X - Weakness
- CWE-400, CWE-404
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2026-109144
A vulnerability was identified in wbond certvalidator up to 0.11.1. This issue affects some unknown processing of the component Certificate Path Builder. Such manipulation leads to resource consumption. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
DEBIAN-CVE-2026-109144- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-109144
A vulnerability was identified in wbond certvalidator up to 0.11.1. This issue affects some unknown processing of the component Certificate Path Builder. Such manipulation leads to resource consumption. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
UBUNTU-CVE-2026-109144- CVSS 4.0
- 6.9 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
python-certvalidatorDebian:13 |
All versions, plus listed versions 0.11.1-4 |
None known |
python-certvalidatorDebian:14 |
All versions, plus listed versions 0.11.1-4 |
None known |
python-certvalidatorUbuntu:24.04:LTS |
All versions, plus listed versions 0.11.1-20.11.1-30.11.1-4 |
None known |
python-certvalidatorUbuntu:26.10 |
All versions, plus listed versions 0.11.1-4build1 |
None known |
python-certvalidatorUbuntu:26.04:LTS |
All versions, plus listed versions 0.11.1-40.11.1-4build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-109144 is a medium vulnerability (CVSS 6.9) in Wbond Certvalidator, published October 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 28th percentile. No source names a fixed version.
References
vuldb.com/vuln/416883
github.com/wbond/certvalidator/issues/56