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Public proof of conceptFix available

CVE-2018-19571

A public proof of concept exists; no exploitation attested.

  • Published2019-07-10
  • Fixed in11.5.1 · 11.4.8 · 11.3.11
  • WeaknessCWE-918

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

GitLab CE/EE, versions 8.18 up to 11.x before 11.3.11, 11.4 before 11.4.8, and 11.5 before 11.5.1, are vulnerable to an SSRF vulnerability in webhooks.

Timeline

dates in UTC
  1. 2019-07-1017:15CVE publishedNVD
  2. 2020-12-14Exploit-DB entryExploit-DB

Observed activity

isMalicious corpus · updated 2026-11-03 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-19571?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-19571?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
GitLab
BranchAffectedFixed in
11.5≥ 11.5.0, < 11.5.111.5.1
11.4≥ 11.4.0, < 11.4.811.4.8
11.3≥ 8.18.0, < 11.3.1111.3.11

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update GitLab to 11.5.1 · 11.4.8 · 11.3.11

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-49257EDB-49334
Exploit-DB
Proof-of-concept repositories
3 repositories, unverifiedxenophil90/edb-49263-fixedAlgafix/gitlab-RCE-11.4.7CS4239-U6/gitlab-ssrf
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.17.7read 2026-10-23
  • NVDCVSS 2.04read 2026-10-23
  • NVDweakness (CWE)CWE-918read 2026-10-23
  • FIRST EPSSEPSS score31.5 %read 2026-11-02
  • PoC-in-GitHubproof of concept3read 2026-11-02
  • Exploit-DBdetectionread 2026-11-02

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Published
2019-07-10
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2018-19571?

GitLab CE/EE, versions 8.18 up to 11.x before 11.3.11, 11.4 before 11.4.8, and 11.5 before 11.5.1, are vulnerable to an SSRF vulnerability in webhooks.

Is CVE-2018-19571 actively exploited?

Active exploitation of CVE-2018-19571 has not been confirmed. Its EPSS score was 31.5% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-19571?

CVE-2018-19571 has a CVSS v3 base score of 7.7 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

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