How severe is CVE-2023-26512?

CVE-2023-26512 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-2023-26512 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26512?

CVE-2023-26512 affects Apache Eventmesh-connector-rabbitmq. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26512?

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.

When was CVE-2023-26512 published?

CVE-2023-26512 was published on 2023-07-17 and last updated on 2026-06-17.

CVE-2023-26512

CVE-2023-26512 is a critical-severity vulnerability in Apache Eventmesh-connector-rabbitmq 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-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Apache Eventmesh-connector-rabbitmq
Published: 2023-07-17
Last modified: 2026-06-17

Description

CWE-502 Deserialization of Untrusted Data at the rabbitmq-connector plugin module in Apache EventMesh (incubating) V1.7.0\V1.8.0 on windows\linux\mac os e.g. platforms allows attackers to send controlled message and remote code execute via rabbitmq messages. Users can use the code under the master branch in project repo to fix this issue, we will release the new version as soon as possible.

Frequently asked questions

What is CVE-2023-26512?: CWE-502 Deserialization of Untrusted Data at the rabbitmq-connector plugin module in Apache EventMesh (incubating) V1.7.0\V1.8.0 on windows\linux\mac os e.g. platforms allows attackers to send controlled message and remote code execute via rabbitmq messages. Users can use the code under the master branch in project repo to fix this issue, we will release the new version as soon as possible.
How severe is CVE-2023-26512?: CVE-2023-26512 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-2023-26512 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26512?: CVE-2023-26512 affects Apache Eventmesh-connector-rabbitmq. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26512?: 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.
When was CVE-2023-26512 published?: CVE-2023-26512 was published on 2023-07-17 and last updated on 2026-06-17.

References

https://lists.apache.org/thread/zb1d62wh8o8pvntrnx4t1hj8vz0pm39p

Affected products (1)

cpe:2.3:a:apache:eventmesh-connector-rabbitmq:*:*:*:*:*:*:*:*

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