How severe is CVE-2026-34411?

CVE-2026-34411 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-34411 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34411?

CVE-2026-34411 affects Appsmith. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34411?

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

Does CVE-2026-34411 have an EU (EUVD) identifier?

Yes. CVE-2026-34411 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16721.

When was CVE-2026-34411 published?

CVE-2026-34411 was published on 2026-03-27 and last updated on 2026-06-17.

CVE-2026-34411

CVE-2026-34411 is a medium-severity vulnerability in Appsmith 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-306.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 6.9
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16721
Weakness: CWE-306
Affected product: Appsmith
Published: 2026-03-27
Last modified: 2026-06-17

Description

Appsmith versions prior to 1.98 expose sensitive instance management API endpoints without authentication. Unauthenticated attackers can query endpoints like /api/v1/consolidated-api/view and /api/v1/tenants/current to retrieve configuration metadata, license information, and unsalted SHA-256 hashes of admin email domains for reconnaissance and targeted attack planning.

Frequently asked questions

What is CVE-2026-34411?: Appsmith versions prior to 1.98 expose sensitive instance management API endpoints without authentication. Unauthenticated attackers can query endpoints like /api/v1/consolidated-api/view and /api/v1/tenants/current to retrieve configuration metadata, license information, and unsalted SHA-256 hashes of admin email domains for reconnaissance and targeted attack planning.
How severe is CVE-2026-34411?: CVE-2026-34411 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-34411 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34411?: CVE-2026-34411 affects Appsmith. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34411?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-34411 have an EU (EUVD) identifier?: Yes. CVE-2026-34411 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16721.
When was CVE-2026-34411 published?: CVE-2026-34411 was published on 2026-03-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:appsmith:appsmith:*:*:*:*:*:*:*:*

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