How severe is CVE-2025-32376?

CVE-2025-32376 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-32376 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-32376?

CVE-2025-32376 primarily affects Discourse. In total, 232 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-32376?

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

Does CVE-2025-32376 have an EU (EUVD) identifier?

Yes. CVE-2025-32376 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14709.

When was CVE-2025-32376 published?

CVE-2025-32376 was published on 2025-04-30 and last updated on 2026-06-17.

CVE-2025-32376

CVE-2025-32376 is a medium-severity vulnerability in Discourse with a CVSS 3.x base score of 4.3. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v4: 4.8
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14709
Weakness: CWE-284
Affected product: Discourse
Published: 2025-04-30
Last modified: 2026-06-17

Description

Discourse is an open-source discussion platform. Prior to versions 3.4.3 on the stable branch and 3.5.0.beta3 on the beta branch, the users limit for a DM can be bypassed, thus giving the ability to potentially create a DM with every user from a site in it. This issue has been patched in stable version 3.4.3 and beta version 3.5.0.beta3.

Frequently asked questions

What is CVE-2025-32376?: Discourse is an open-source discussion platform. Prior to versions 3.4.3 on the stable branch and 3.5.0.beta3 on the beta branch, the users limit for a DM can be bypassed, thus giving the ability to potentially create a DM with every user from a site in it. This issue has been patched in stable version 3.4.3 and beta version 3.5.0.beta3.
How severe is CVE-2025-32376?: CVE-2025-32376 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-32376 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-32376?: CVE-2025-32376 primarily affects Discourse. In total, 232 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-32376?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-32376 have an EU (EUVD) identifier?: Yes. CVE-2025-32376 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14709.
When was CVE-2025-32376 published?: CVE-2025-32376 was published on 2025-04-30 and last updated on 2026-06-17.

References

Affected products (232)

cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:*
cpe:2.3:a:discourse:discourse:1.1.0:beta1:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.1.0:beta2:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.1.0:beta3:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.1.0:beta4:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.1.0:beta5:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.1.0:beta6:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.1.0:beta6b:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.1.0:beta7:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.1.0:beta8:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.2.0:beta1:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.2.0:beta2:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.2.0:beta3:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.2.0:beta4:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.2.0:beta5:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.2.0:beta6:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.2.0:beta7:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.2.0:beta8:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.2.0:beta9:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.3.0:beta1:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.3.0:beta10:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.3.0:beta11:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.3.0:beta2:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.3.0:beta3:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.3.0:beta4:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.3.0:beta5:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.3.0:beta6:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.3.0:beta7:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.3.0:beta8:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.3.0:beta9:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.4.0:beta1:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.4.0:beta10:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.4.0:beta11:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.4.0:beta12:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.4.0:beta2:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.4.0:beta3:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.4.0:beta4:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.4.0:beta5:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.4.0:beta6:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:1.4.0:beta7:*:*:beta:*:*:*

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