How severe is CVE-2023-49099?

CVE-2023-49099 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-49099 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49099?

CVE-2023-49099 primarily affects Discourse. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-49099?

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

Does CVE-2023-49099 have an EU (EUVD) identifier?

Yes. CVE-2023-49099 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53108.

When was CVE-2023-49099 published?

CVE-2023-49099 was published on 2024-01-12 and last updated on 2026-06-17.

CVE-2023-49099

CVE-2023-49099 is a low-severity vulnerability in Discourse with a CVSS 3.x base score of 3.1. 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: Low (CVSS 3.x base score 3.1)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-53108
Weakness: CWE-284
Affected product: Discourse
Published: 2024-01-12
Last modified: 2026-06-17

Description

Discourse is a platform for community discussion. Under very specific circumstances, secure upload URLs associated with posts can be accessed by guest users even when login is required. This vulnerability has been patched in 3.2.0.beta4 and 3.1.4.

Frequently asked questions

What is CVE-2023-49099?: Discourse is a platform for community discussion. Under very specific circumstances, secure upload URLs associated with posts can be accessed by guest users even when login is required. This vulnerability has been patched in 3.2.0.beta4 and 3.1.4.
How severe is CVE-2023-49099?: CVE-2023-49099 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-49099 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49099?: CVE-2023-49099 primarily affects Discourse. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-49099?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-49099 have an EU (EUVD) identifier?: Yes. CVE-2023-49099 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53108.
When was CVE-2023-49099 published?: CVE-2023-49099 was published on 2024-01-12 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:*
cpe:2.3:a:discourse:discourse:3.2.0:beta1:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:3.2.0:beta2:*:*:beta:*:*:*
cpe:2.3:a:discourse:discourse:3.2.0:beta3:*:*:beta:*:*:*

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