CVE-2026-118405VulnerabilityPublished 11 Nov 2026

Exposure of Sensitive Information to an Unauthorized Actor in Apache Roller 4.0 through 6.1.6 allows any logged-in

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Authoritative record:CVE-2026-118405· Medium 4.3

Not known to be exploited · CVSS 4.3 Medium · fixed in 6.1.7 : update Apache Roller when convenient.

Data as of 11 Nov 2026, 17:02 UTC

CVSS 3.1 base score

4.3Medium

How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none

CVSS scores by source
CNA (apache)	CVSS 3.1	4.3

Patch: Available – fixed in 6.1.7

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: None
Availability: None

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: Low: The attacker is authorized with (i.e., requires) privileges that provide basic user capabilities that could normally affect only settings and files owned by a user. Alternatively, an attacker with Low privileges may have the ability to cause an impact only to non-sensitive resources.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: Low: There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the impacted component.
Integrity: None: There is no loss of integrity within the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 11 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

ghsa-fp2h-r7g9-hq37

What to do

Affected software

Product	Affected	Fixed in
Apache Software FoundationApache Roller	Affected >=4.0 <=6.1.6	Fixed in–
Mavenorg.apache.roller/roller`pkg:maven/org.apache.roller/roller`Other threats	Affected >=4.0 <=6.1.6	Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Users are advised to upgrade to Apache Roller version 6.1.7 or later, where the search functionality has been corrected to match only usernames for non-administrators, preventing email address enumeration. No other mitigation is indicated.

Description

Apache Roller versions 4.0 through 6.1.6 contain a vulnerability that allows any logged-in user to discover other users' email addresses. This occurs because the user search function in the authoring interface matches search input against email addresses as well as usernames, despite only displaying usernames. This flaw enables an attacker to confirm email addresses one character at a time. The issue is resolved in Apache Roller 6.1.7 and later, where the search matches only usernames for non-administrators.

Impact

The vulnerability allows any logged-in user to enumerate and confirm other users' email addresses, leading to exposure of sensitive information. This could facilitate targeted phishing or social engineering attacks. There is no impact on integrity or availability. The confidentiality impact is limited to email address disclosure.

Summary

The vulnerability in Apache Roller 4.0 through 6.1.6 involves exposure of sensitive information—specifically, email addresses of other users—to any authenticated user. The user search feature in the authoring interface, while only showing usernames, internally matches the search input against email addresses, allowing an attacker to enumerate email addresses character-by-character. This information disclosure flaw is classified under CWE-200 (Exposure of Sensitive Information). The vulnerability has a CVSS 3.1 base score of 4.3 (medium severity), with network attack vector, low attack complexity, requiring low privileges (logged-in user), no user interaction, and limited confidentiality impact. The issue is fixed in Apache Roller 6.1.7 and later versions, which restrict the search matching to usernames only for non-administrators.

CWE-200Exposure of Sensitive Information to an Unauthorized Actor (opens in a new tab)
Class weaknessLikelihood of exploit: HighCWE Top 25 (2025): #20OWASP Top 10 A01:2025: Broken Access Control (opens in a new tab)
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
MITRE discourages mapping vulnerabilities to this broad entry; the root cause is usually a more specific weakness.
Architecture and Design · Separation of Privilege
Compartmentalize the system to have "safe" areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
OWASP Cheat Sheets
Error Handling (opens in a new tab)
Logging (opens in a new tab)
Authorization (opens in a new tab)
OWASP ASVS 4.0.3
V8.3.4 (opens in a new tab)
V14.3.3 (opens in a new tab)
V7.3.3 (opens in a new tab)
Attack patterns
Subverting Environment Variable Values (opens in a new tab)
ICMP Echo Request Ping (opens in a new tab)
TCP SYN Scan (opens in a new tab)
Enumerate Mail Exchange (MX) Records (opens in a new tab)
DNS Zone Transfers (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 11 Nov 2026, 17:02 UTC

WeaknessesCWE-200

Technical details

References

Community reviews

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