How severe is CVE-2022-46159?

CVE-2022-46159 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 none, and availability low.

Is CVE-2022-46159 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-46159?

CVE-2022-46159 primarily affects Discourse. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-46159?

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

When was CVE-2022-46159 published?

CVE-2022-46159 was published on 2022-12-02 and last updated on 2026-06-17.

CVE-2022-46159

CVE-2022-46159 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-770
Affected product: Discourse
Published: 2022-12-02
Last modified: 2026-06-17

Description

Discourse is an open-source discussion platform. In version 2.8.13 and prior on the `stable` branch and version 2.9.0.beta14 and prior on the `beta` and `tests-passed` branches, any authenticated user can create an unlisted topic. These topics, which are not readily available to other users, can take up unnecessary site resources. A patch for this issue is available in the `main` branch of Discourse. There are no known workarounds available.

Frequently asked questions

What is CVE-2022-46159?: Discourse is an open-source discussion platform. In version 2.8.13 and prior on the `stable` branch and version 2.9.0.beta14 and prior on the `beta` and `tests-passed` branches, any authenticated user can create an unlisted topic. These topics, which are not readily available to other users, can take up unnecessary site resources. A patch for this issue is available in the `main` branch of Discourse. There are no known workarounds available.
How severe is CVE-2022-46159?: CVE-2022-46159 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 none, and availability low.
Is CVE-2022-46159 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-46159?: CVE-2022-46159 primarily affects Discourse. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-46159?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-46159 published?: CVE-2022-46159 was published on 2022-12-02 and last updated on 2026-06-17.

References

Affected products (14)

cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta1:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta10:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta11:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta12:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta13:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta14:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta2:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta3:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta4:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta5:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta6:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta7:*:*:*:*:*:*
cpe:2.3:a:discourse:discourse:2.9.0:beta8:*:*:*:*:*:*

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