CVE-2026-2995Network attack vector

Unauthorized email attachment via unsanitized vulnerability report HTML

Published Mar 25, 2026 · Updated Mar 25, 2026

HTML injection in affected GitLab EE releases allows remote authenticated users to add email addresses to targeted user accounts. The vulnerability report renderer does not neutralize attacker-controlled HTML before a victim's browser processes the report. Exploitation requires an authenticated account and victim interaction; the specific trigger conditions remain undisclosed.

CVSS severity7.7
High
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

HTML injection in affected GitLab EE releases allows remote authenticated users to add email addresses to targeted user accounts. The vulnerability report renderer does not neutralize attacker-controlled HTML before a victim's browser processes the report. Exploitation requires an authenticated account and victim interaction; the specific trigger conditions remain undisclosed.

The record

CVE
CVE-2026-2995
Published
Mar 25, 2026
Updated
Mar 25, 2026
Vendor
GitLab
Product
GitLab
Classifications
CWE-80, T1098
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 25, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=15.4 <18.8.7
  2. Affected versionversion=18.10 <18.10.1
  3. Affected versionversion=18.9 <18.9.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GitLab · GitLabversion=15.4 <18.8.7; version=18.10 <18.10.1; version=18.9 <18.9.3

Published CVSS scores

7.7GitLab Inc.CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
T1098Account Manipulation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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