How severe is CVE-2026-31877?

CVE-2026-31877 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-31877 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-31877?

CVE-2026-31877 affects Frappe. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-31877?

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

Does CVE-2026-31877 have an EU (EUVD) identifier?

Yes. CVE-2026-31877 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11288.

When was CVE-2026-31877 published?

CVE-2026-31877 was published on 2026-03-11 and last updated on 2026-06-17.

CVE-2026-31877

CVE-2026-31877 is a critical-severity vulnerability in Frappe with a CVSS 3.x base score of 9.8. 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-11288
Weakness: CWE-89
Affected product: Frappe
Published: 2026-03-11
Last modified: 2026-06-17

Description

Frappe is a full-stack web application framework. Prior to 15.84.0 and 14.99.0, a specially crafted request made to a certain endpoint could result in SQL injection, allowing an attacker to extract information they wouldn't otherwise be able to. This vulnerability is fixed in 15.84.0 and 14.99.0.

Frequently asked questions

What is CVE-2026-31877?: Frappe is a full-stack web application framework. Prior to 15.84.0 and 14.99.0, a specially crafted request made to a certain endpoint could result in SQL injection, allowing an attacker to extract information they wouldn't otherwise be able to. This vulnerability is fixed in 15.84.0 and 14.99.0.
How severe is CVE-2026-31877?: CVE-2026-31877 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-31877 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-31877?: CVE-2026-31877 affects Frappe. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-31877?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-31877 have an EU (EUVD) identifier?: Yes. CVE-2026-31877 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11288.
When was CVE-2026-31877 published?: CVE-2026-31877 was published on 2026-03-11 and last updated on 2026-06-17.

References

https://github.com/frappe/frappe/security/advisories/GHSA-2c4m-999q-xhx4

Affected products (1)

cpe:2.3:a:frappe:frappe:*:*:*:*:*:*:*:*

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