How severe is CVE-2026-32096?

CVE-2026-32096 has a CVSS 3.x base score of 9.3, 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 low, and availability none.

Is CVE-2026-32096 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-32096?

CVE-2026-32096 affects Useplunk Plunk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-32096?

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-2026-32096 have an EU (EUVD) identifier?

Yes. CVE-2026-32096 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11336.

When was CVE-2026-32096 published?

CVE-2026-32096 was published on 2026-03-11 and last updated on 2026-06-17.

CVE-2026-32096

CVE-2026-32096 is a critical-severity vulnerability in Useplunk Plunk with a CVSS 3.x base score of 9.3. 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-918.

Key facts

Severity: Critical (CVSS 3.x base score 9.3)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-11336
Weakness: CWE-918
Affected product: Useplunk Plunk
Published: 2026-03-11
Last modified: 2026-06-17

Description

Plunk is an open-source email platform built on top of AWS SES. Prior to 0.7.0, a Server-Side Request Forgery (SSRF) vulnerability existed in the SNS webhook handler. An unauthenticated attacker could send a crafted request that caused the server to make an arbitrary outbound HTTP GET request to any host accessible from the server. This vulnerability is fixed in 0.7.0.

Frequently asked questions

What is CVE-2026-32096?: Plunk is an open-source email platform built on top of AWS SES. Prior to 0.7.0, a Server-Side Request Forgery (SSRF) vulnerability existed in the SNS webhook handler. An unauthenticated attacker could send a crafted request that caused the server to make an arbitrary outbound HTTP GET request to any host accessible from the server. This vulnerability is fixed in 0.7.0.
How severe is CVE-2026-32096?: CVE-2026-32096 has a CVSS 3.x base score of 9.3, 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 low, and availability none.
Is CVE-2026-32096 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-32096?: CVE-2026-32096 affects Useplunk Plunk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-32096?: 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-2026-32096 have an EU (EUVD) identifier?: Yes. CVE-2026-32096 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11336.
When was CVE-2026-32096 published?: CVE-2026-32096 was published on 2026-03-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:useplunk:plunk:*:*:*:*:*:*:*:*

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