How severe is CVE-2026-42190?

CVE-2026-42190 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-42190 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-42190?

CVE-2026-42190 primarily affects Redwoodjs Redwoodsdk. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-42190?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-42190 have an EU (EUVD) identifier?

Yes. CVE-2026-42190 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28823.

When was CVE-2026-42190 published?

CVE-2026-42190 was published on 2026-05-08 and last updated on 2026-06-17.

CVE-2026-42190

CVE-2026-42190 is a medium-severity vulnerability in Redwoodjs Redwoodsdk with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28823
Weakness: CWE-352
Affected product: Redwoodjs Redwoodsdk
Published: 2026-05-08
Last modified: 2026-06-17

Description

RedwoodSDK is a server-first React framework. From version 1.0.0-beta.50 to before version 1.2.3, server actions in rwsdk apply HTTP method enforcement but no origin validation. A request originating from a different origin that the browser treats as same-site can invoke a server action with the victim's session cookie attached. This issue has been patched in version 1.2.3.

Frequently asked questions

What is CVE-2026-42190?: RedwoodSDK is a server-first React framework. From version 1.0.0-beta.50 to before version 1.2.3, server actions in rwsdk apply HTTP method enforcement but no origin validation. A request originating from a different origin that the browser treats as same-site can invoke a server action with the victim's session cookie attached. This issue has been patched in version 1.2.3.
How severe is CVE-2026-42190?: CVE-2026-42190 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-42190 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-42190?: CVE-2026-42190 primarily affects Redwoodjs Redwoodsdk. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-42190?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-42190 have an EU (EUVD) identifier?: Yes. CVE-2026-42190 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28823.
When was CVE-2026-42190 published?: CVE-2026-42190 was published on 2026-05-08 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:a:redwoodjs:redwoodsdk:*:*:*:*:*:*:*:*
cpe:2.3:a:redwoodjs:redwoodsdk:1.0.0:beta50:*:*:*:*:*:*
cpe:2.3:a:redwoodjs:redwoodsdk:1.0.0:beta51:*:*:*:*:*:*
cpe:2.3:a:redwoodjs:redwoodsdk:1.0.0:beta52:*:*:*:*:*:*
cpe:2.3:a:redwoodjs:redwoodsdk:1.0.0:beta53:*:*:*:*:*:*
cpe:2.3:a:redwoodjs:redwoodsdk:1.0.0:beta53_test20260205213024:*:*:*:*:*:*
cpe:2.3:a:redwoodjs:redwoodsdk:1.0.0:beta54:*:*:*:*:*:*
cpe:2.3:a:redwoodjs:redwoodsdk:1.0.0:beta55:*:*:*:*:*:*
cpe:2.3:a:redwoodjs:redwoodsdk:1.0.0:beta56:*:*:*:*:*:*
cpe:2.3:a:redwoodjs:redwoodsdk:1.0.0:beta57:*:*:*:*:*:*
cpe:2.3:a:redwoodjs:redwoodsdk:1.0.0:beta58:*:*:*:*:*:*

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