CVE-2026-40977
April 28, 2026, 8:11 p.m.
4.7
Medium
Description
When an application is configured to use `ApplicationPidFileWriter`, a local attacker with write access to the PID file's location can corrupt one file on the host each time the application is started.
Affected: Spring Boot 4.0.0–4.0.5 (fix 4.0.6), 3.5.0–3.5.13 (fix 3.5.14), 3.4.0–3.4.15 (fix 3.4.16), 3.3.0–3.3.18 (fix 3.3.19), 2.7.0–2.7.32 (fix 2.7.33); PID file / symlink behavior (`ApplicationPidFileWriter`). Versions that are no longer supported are also affected per vendor advisory.
Product(s) Impacted
| Vendor | Product | Versions |
|---|---|---|
| Spring Project |
|
|
Weaknesses
Common security weaknesses mapped to this vulnerability.
CWE-59
Improper Link Resolution Before File Access ('Link Following')
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
*CPE(s)
Affected systems and software identified for this CVE.
| Type | Vendor | Product | Version | Update | Edition | Language | Software Edition | Target Software | Target Hardware | Other Information |
|---|---|---|---|---|---|---|---|---|---|---|
| a | spring_project | spring_boot | 4.0.0-4.0.5 | / | / | / | / | / | / | / |
| a | spring_project | spring_boot | 3.5.0-3.5.13 | / | / | / | / | / | / | / |
| a | spring_project | spring_boot | 3.4.0-3.4.15 | / | / | / | / | / | / | / |
| a | spring_project | spring_boot | 3.3.0-3.3.18 | / | / | / | / | / | / | / |
| a | spring_project | spring_boot | 2.7.0-2.7.32 | / | / | / | / | / | / | / |
References
Tags
CVSS Score
CVSS Data - 3.1
- Attack Vector: LOCAL
- Attack Complexity: HIGH
- Privileges Required: HIGH
- Scope: UNCHANGED
- Confidentiality Impact: NONE
- Integrity Impact: LOW
- Availability Impact: HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H
Timeline
Published: April 28, 2026, 12:16 a.m.
Last Modified: April 28, 2026, 8:11 p.m.
Last Modified: April 28, 2026, 8:11 p.m.
Status : Undergoing Analysis
CVE has been recently published to the CVE List and has been received by the NVD.
More infoSource
*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.