> CVE-2026-40973 [HIGH]

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PUBLISHED
2026-04-28 00:16
MODIFIED
2026-04-28 00:16
CVSS_SCORE V3
7.0
EPSS (Prob. Exploit)
0.14%
Top 97.0%
DATA SOURCES:
NVD đź”— 2026-04-28 CWE MITRE đź”— 2026-11-01 FIRST EPSS đź”— 2026-11-08 GITHUB đź”— 2026-11-05 OSV đź”— 2026-11-02

> DESCRIPTION

A local attacker on the same host as the application may be able to take control of the directory used by `ApplicationTemp`. When `server.servlet.session.persistent` is set to `true` and the attack persists across application restarts, this may allow the attacker to read session information and hijack authenticated users or deploy a gadget chain and execute code as the application's user. 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); predictable temp directory / `ApplicationTemp` ownership verification. Versions that are no longer supported are also affected per vendor advisory.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EXPLOITABILITY
1.0
IMPACT
5.9

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Local (L)
Exploit nécessite un accès local au système
AC (Complexité d'Attaque)
Attack Complexity
High (H)
Conditions spécifiques doivent être réunies pour exploiter
PR (Privilèges Requis)
Privileges Required
Low (L)
Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
High (H)
Interruption totale du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
High
Interruption totale du service possible

> WEAKNESSES

CWE-377

> CWE DETAILED DESCRIPTIONS

CWE-377: DEPRECATED: Insecure Temporary File - This entry has been deprecated. It was focused only on the affected resource (temporary file) and not the behavior or mistake that produced the insecure temporary file, which caused confusion and incorrect mappings.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: Red Hat OpenShift Dev Spaces 3.28.0 Release.
Red Hat OpenShift Dev Spaces 3.28.0 has been released.
Red Hat Security Advisory: HawtIO 4.4.0 for Red Hat build of Apache Camel 4 Release and security update.
HawtIO 4.4.0 for Red Hat build of Apache Camel 4 GA Release is now available. The purpose of this text-only errata is to inform you about the enhancements that improve your developer experience and e...

> GITHUB SECURITY ADVISORY

GHSA-wwpq-f5c3-7hvx HIGH

Spring Boot accepts predictable temp directory without ownership verification

AFFECTED PACKAGES:
MAVEN / org.springframework.boot:spring-boot
<= 2.7.32
MAVEN / org.springframework.boot:spring-boot
>= 3.3.0, <= 3.3.18
MAVEN / org.springframework.boot:spring-boot
>= 3.4.0, <= 3.4.15
MAVEN / org.springframework.boot:spring-boot
>= 3.5.0, < 3.5.14
Fixed in: 3.5.14
MAVEN / org.springframework.boot:spring-boot
>= 4.0.0, < 4.0.6
Fixed in: 4.0.6

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

AFFECTED PACKAGES:
Unknown / Unknown
ALIASES:
GHSA-wwpq-f5c3-7hvx

> HISTORIQUE DES MODIFICATIONS

Première apparition
28/04/2026 00:16
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-377: Insecure Temporary File - Creating and using insecure temporary files can leave application and system data vulnerable to attack.
Nouvelle valeur:
CWE-377: DEPRECATED: Insecure Temporary File - This entry has been deprecated. It was focused only on the affected resource (temporary file) and not the behavior or mistake that prod...
📊 ENRICHISSEMENT 01/05/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-377: Insecure Temporary File - Creating and using insecure temporary files can leave application and system data vulnerable to attack.
Total des modifications: 2 Dernière mise à jour: 1 week ago

> REFERENCES

https://spring.io/security/cve-2026-40973
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