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CVE-2026-59299: CWE-471 Modification of Assumed-Immutable Data (MAID) in Spring Spring Cloud Function

0
Low
Published: 08/27/2026 (08/27/2026, 17:57:56 UTC)
Source: CVE Database V5
Vendor/Project: Spring
Product: Spring Cloud Function

Description

CVE-2026-59299 is a low severity vulnerability in Spring Cloud Function affecting versions 3.2.16 and earlier, 4.2.0 through 4.2.7, 4.3.0 through 4.3.4, and 5.0.0 through 5.0.3. It involves a potential modification of assumed-immutable data (CWE-471) where composition lookup can poison the base function. The vulnerability has a CVSS score of 3.1, indicating low impact on confidentiality and integrity, with no impact on availability.

CVSS v3.1

Score 3.1low

Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N

Affected software

Spring

Spring Cloud Function

Affected versions
>=5.0.0 <=5.0.3>=4.3.0 <=4.3.4>=4.2.0 <=4.2.7>=0 <=3.2.16

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/10/2026, 04:23:02 UTC

Technical Analysis

This vulnerability in Spring Cloud Function allows composition lookup to potentially poison the base function, which is a form of modification of assumed-immutable data (CWE-471). Affected versions include 3.2.16 and earlier, 4.2.0 through 4.2.7, 4.3.0 through 4.3.4, and 5.0.0 through 5.0.3. The CVSS 3.1 vector indicates network attack vector with high attack complexity, requiring privileges and user interaction, resulting in low confidentiality and integrity impact and no availability impact. No official remediation or patch is currently documented.

Potential Impact

The vulnerability could allow an attacker with high privileges and requiring user interaction to modify data assumed to be immutable, potentially poisoning the base function in Spring Cloud Function. The impact is limited to low confidentiality and integrity loss, with no availability impact. There are no known exploits in the wild.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary mitigation has been documented at this time.

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Technical Details

Data Version
5.2
Assigner Short Name
vmware
Date Reserved
2026-07-04T18:13:46.708Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a909cf8acd9273b49b2d062

Added to database: 08/27/2026, 20:24:24 UTC

Last enriched: 09/10/2026, 04:23:02 UTC

Last updated: 10/10/2026, 18:48:20 UTC

Views: 94

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