| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Jenkins. It has been declared as critical. This issue affects some unknown processing of the component Display Name Handler. The manipulation results in permission. This vulnerability was named CVE-2026-27100. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.
Details
A vulnerability, which was classified as critical, was found in Jenkins (version now known). Affected is some unknown processing of the component Display Name Handler. The manipulation with an unknown input leads to a permission vulnerability. CWE is classifying the issue as CWE-275. This is going to have an impact on confidentiality. CVE summarizes:
Jenkins 2.550 and earlier, LTS 2.541.1 and earlier accepts Run Parameter values that refer to builds the user submitting the build does not have access to, allowing attackers with Item/Build and Item/Configure permission to obtain information about the existence of jobs, the existence of builds, and if a specified build exists, its display name.
The advisory is shared for download at jenkins.io. This vulnerability is traded as CVE-2026-27100 since 02/17/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1222.
The vulnerability scanner Nessus provides a plugin with the ID 299406 (Jenkins LTS < 2.541.2 / Jenkins weekly < 2.551 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the databases at Tenable (299406) and CERT Bund (WID-SEC-2026-0456). Once again VulDB remains the best source for vulnerability data.
Affected
- Jenkins Jenkins
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.2
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
ADP CISA Base Score: 4.3
ADP CISA 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: PermissionCWE: CWE-275 / 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 |
Nessus ID: 299406
Nessus Name: Jenkins LTS < 2.541.2 / Jenkins weekly < 2.551 Multiple Vulnerabilities
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Timeline
02/17/2026 CVE reserved02/18/2026 Advisory disclosed
02/18/2026 VulDB entry created
02/21/2026 VulDB entry last update
Sources
Advisory: jenkins.ioStatus: Confirmed
CVE: CVE-2026-27100 (🔒)
GCVE (CVE): GCVE-0-2026-27100
GCVE (VulDB): GCVE-100-346548
CERT Bund: WID-SEC-2026-0456 - Jenkins: Mehrere Schwachstellen
Entry
Created: 02/18/2026 17:03Updated: 02/21/2026 18:45
Changes: 02/18/2026 17:03 (53), 02/19/2026 01:30 (2), 02/20/2026 10:21 (7), 02/21/2026 18:45 (11)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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