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Fencer Intel
high 7.5

CVE-2026-41728 json

Spring Data REST JSON Patch bypasses Jackson read-only property protection on nested objects and collections

published 5mo ago modified 2mo ago also GHSA-cv39-x4c6-hhp2 , EUVD-2026-35905

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits
0
none known

Summary

Spring Data REST's JSON Patch (application/json-patch+json) implementation does not apply the write-access filter to intermediate path segments when resolving a multi-segment JSON Pointer.

Affected versions: Spring Data REST 3.7.0 through 3.7.19; 4.3.0 through 4.3.16; 4.4.0 through 4.4.14; 4.5.0 through 4.5.11; 5.0.0 through 5.0.5.

Patch / fix

  • maven org.springframework.data:spring-data-rest-core 4.5.12, 5.0.6
  • Spring Spring Data REST 3.7.20, 4.3.17, 4.4.15, 4.5.11.1, 5.0.5.1

Is CVE-2026-41728 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
4mo ago

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
maven org.springframework.data:spring-data-rest-core
>=5.0.0, <5.0.6
>=4.5.0, <4.5.12
>=4.4.0, <=4.4.14
>=4.3.0, <=4.3.16
<=3.7.19
5.0.6
4.5.12

Affected products

  • Spring Spring Data REST

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.