EUVD-2026-46326
GHSA-5vfq-26hx-8v79
Severity by source
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/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
Network, unauthenticated, no UI (AV:N/PR:N/UI:N); AC:H reflects the 4.0 AT:P attack requirement; confidentiality-only impact so C:H, I:N, A:N.
Primary rating from Vendor (atlassian).
CVSS VectorVendor: atlassian
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/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
Lifecycle Timeline
2DescriptionCVE.org
This High severity Information Disclosure vulnerability was introduced in versions 7.17.0, 7.19.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0, 10.0.2, 10.1.0, and 10.2.0 of Confluence Data Center.
This Information Disclosure vulnerability, with a CVSS Score of 8.2, allows an unauthenticated attacker to view sensitive information via an Information Disclosure vulnerability.
Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Confluence Data Center 9.2: Upgrade to a release greater than or equal to 9.2.22
Confluence Data Center 10.2: Upgrade to a release greater than or equal to 10.2.14
See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]).
This vulnerability was reported via our Atlassian (Internal) program.
AnalysisAI
Information disclosure in Atlassian Confluence Data Center allows an unauthenticated remote attacker to read sensitive information from affected instances, carrying a CVSS 4.0 score of 8.2 (High). The flaw was introduced across a wide span of releases (7.17.0, 7.19.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0, 10.0.2, 10.1.0, 10.2.0) and was found internally by Atlassian. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation is remote and unauthenticated (CVSS PR:N), requiring only network reachability to the Confluence Data Center web service - no user interaction (UI:N) and no credentials are needed. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals are moderately aligned toward real-world risk but stop short of an emergency. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker who can reach a vulnerable Confluence Data Center instance over the network sends a specially crafted request that triggers the disclosure and returns sensitive information without authenticating. Because the attack requires no credentials and low complexity, an exposed internet-facing instance could be probed opportunistically, though the AT:P requirement means the attacker must satisfy a specific precondition for the request to succeed. … |
| Remediation | Vendor-released patch: upgrade Confluence Data Center to the latest version, or to a fixed maintenance release for your line - 9.2 customers should move to 9.2.22 or greater, and 10.2 customers to 10.2.14 or greater. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Confluence Data Center instances, identify which are internet-facing, and establish communication channels with Atlassian support to track patch availability. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
More in Confluence Data Center
View allAll versions of Confluence Data Center and Server are affected by this unexploited vulnerability. Rated critical severit
In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an un
This High severity RCE (Remote Code Execution) vulnerability was introduced in version 5.2 of Confluence Data Center and
In the Netic User Export add-on before 1.3.5 for Atlassian Confluence, authorization is mishandled. Rated high severity
The Netic User Export add-on before 1.3.5 for Atlassian Confluence has the functionality to generate a list of users in
A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to bypass Servlet Filters used
Affected versions of Atlassian Confluence Server allow remote attackers to view restricted resources via a Pre-Authoriza
This High severity Path Traversal vulnerability was introduced in version 6.13.0 of Confluence Data Center. Rated high s
This High severity Remote Code Execution (RCE) vulnerability was introduced in versions 7.13.0 of Confluence Data Center
This High severity Remote Code Execution (RCE) vulnerability was introduced in version 2.1.0 of Confluence Data Center a
This Template Injection vulnerability allows an authenticated attacker, including one with anonymous access, to inject u
This High severity RCE (Remote Code Execution) vulnerability known as CVE-2023-22508 was introduced in version 6.1.0 of
Same weakness CWE-200 – Information Exposure
View allSame technique Information Disclosure
View allShare
External POC / Exploit Code
Leaving vuln.today