CVE-2026-59299: CWE-471 Modification of Assumed-Immutable Data (MAID) in Spring 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
Affected software
Spring
Spring Cloud Function
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
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.
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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