How severe is CVE-2026-45430?

CVE-2026-45430 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2026-45430 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.

How do I fix CVE-2026-45430?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-45430 have an EU (EUVD) identifier?

Yes. CVE-2026-45430 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29373.

When was CVE-2026-45430 published?

CVE-2026-45430 was published on 2026-05-12 and last updated on 2026-06-17.

CVE-2026-45430

CVE-2026-45430 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. 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: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29373
Weakness: CWE-352
Published: 2026-05-12
Last modified: 2026-06-17

Description

The Salesforce module before 1.x-1.0.1 for Backdrop CMS does not properly use a random state parameter to protect the authorization flow against CSRF attacks.

Frequently asked questions

What is CVE-2026-45430?: The Salesforce module before 1.x-1.0.1 for Backdrop CMS does not properly use a random state parameter to protect the authorization flow against CSRF attacks.
How severe is CVE-2026-45430?: CVE-2026-45430 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2026-45430 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.
How do I fix CVE-2026-45430?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-45430 have an EU (EUVD) identifier?: Yes. CVE-2026-45430 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29373.
When was CVE-2026-45430 published?: CVE-2026-45430 was published on 2026-05-12 and last updated on 2026-06-17.

References

https://backdropcms.org/security/backdrop-sa-contrib-2026-001

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