CVEFinder.io

CVE-2026-45788

⚠️ high
🔍 Scan for this CVE
Summary

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, secure uploads could be exposed by pull_hotlinked_images when an attacker knew the secured upload URL and the secure_uploads site setting was enabled. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.

CVSS Score
7.5
High
EPSS Score
0.5
Exploit Probability
Published Date
2026-07-09
First Seen: 2026-07-10
📊 Relative Risk Intelligence

This CVE is Moderate Risk - more severe than 67.8% of all 360,673 vulnerabilities in our database.

#116,318
Above average severity
Severity Percentile
🎯 CISA SSVC Assessment Updated: Jul 10, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Partial
Limited system impact
SSVC data provided by CISA
Last Modified 2026-07-14
Source NVD 🔗
CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS Vector 4.0 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE IDs (Weakness Types)

📦 Affected Products 4

🔗 References 9

🔗 Related CVEs 6

CVE ID Severity CVSS EPSS Summary Published
CVE-2026-55420 ⚠️ high 7.5 0.4 Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, under certain non-... 2026-07-09
CVE-2026-44787 ⚠️ high 8.2 0.3 Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, the signup flow co... 2026-07-09
CVE-2026-45780 🔶 medium 5.3 0.4 Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, EventSerializer co... 2026-07-09
CVE-2026-46413 🔶 medium 6.5 0.4 Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, regular users coul... 2026-07-09
CVE-2026-49256 ⚠️ high 7.5 0.4 Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, restricted tag and... 2026-07-09
CVE-2026-53961 🔶 medium 6.5 0.2 Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, the AWS SES bounce... 2026-07-09
These CVEs affect the same products