vciy

CVE-2018-17455

INDEX BUILT · 2026-10-18

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An issue was discovered in GitLab Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1

CVE-2018-174553 of 4 sources documented this
24

rank 24 = 0 + 19 + 0 + 5 + 0

rank@v1 · backlog

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.00621  ·  without this subject the record ranks 24

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 7.5, from NVD  ·  without this subject the record ranks 5

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 24

How much of the world it touches

NVD CPE configurations

3 products in the CPE ranges  ·  without this subject the record ranks 19

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 24

Hindsight · the state

0.00621EPSSNOT IN KEVas of 2026-10-18
Severity7.5 HIGHreceipt
Harmunauthenticated · networkreceipt
Exploitationnone in held sources
Defenseunaffected versions publishedreceipt
Movementscoring model changedreceipt
PLATEAU10Minimal movement since 2023-04-16, 1156 days at 0.01, as of 2026-06-15. arc-rules@v1

Foresight · where to check next

No weakness class or product neighbourhood is held for this record, so this index cannot name anywhere to check next. That is an absence in the record, not a finding about the software.

Color is a claim, not decoration:the hostile worldthe defenseno signal

Check a version against this record

A deterministic range check against the ranges this record publishes. It tells you where a version sits in the record, not whether your deployment is exploitable. No account needed.

Watch this record

Matches your own product list against every record this index holds, and tells you when one of them moves.

What counts as a move

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Record your call

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Patch by…

Or open an investigation: an incident or a near miss on this CVE, kept with its evidence where anyone in your organisation can find it.

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Harm, if it fires from the vector and the weakness

Written for the ticket you're about to file.

Reachnetwork-reachable · no privileges required · no user interaction · low attack complexityreceipt
ImpactComplete confidentiality lossreceipt
Scored fromCVSS v3.1 · NVD's vectorreceipt
Weakness classCWE-639 Authorization Bypass Through User-Controlled Keyreceipt
Published consequencesCWE-639: Access Control: Bypass Protection Mechanism; Access Control: Gain Privileges or Assume Identitycwe-consequences@4.20

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

First unaffected version, by branchgitlab 11.1.7; gitlab 11.2.4receipt
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.
BOD 26-04 deadlineIf the system is reachable from the internet: 14 days. If not: fix at the next system upgrade.derived
Show full BOD 26-04 deadline

CISA has not scored it, so the directive's own defaults apply: automatable no, technical impact total. Calendar days from the KEV listing or from when you find it on a system, whichever is first. Federal agencies are bound from 7 Dec 2026, and contracts often carry it to suppliers. The directive and its table

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, NVD7.5 HIGHreceipt
Exploit probability0.00621 · top 51% of all CVEsreceipt
Blast breadth1 product across 1 vendorderived
Assigned bymitrereceipt
Recorded changes19 · last 17 Oct 2026derived

Affected & Fixed Versions as published

Named in the CPE rangesGitlabreceipt
Published rangesgitlab < 11.1.7; gitlab >= 11.2.0 < 11.2.4; gitlab 11.3.0receipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$19,000over the next 30 days, if this record is yours
Movementno material movementthe record holds only daily drift and scoring model releases
Basisassumeda published average, not your estate

$19,000 = $4.99M incident cost x 0.6121449559255632 exposure x 0.00621 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Did this affect your environment?Answering needs an account.

What it is stated by the CNA

An issue was discovered in GitLab Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. Attackers could obtain sensitive information about group names, avatars, LDAP settings, and descriptions via an insecure direct object reference to the "merge request approvals" feature. receipt

NVD's analysis a second authority

severity
7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
weakness
CWE-639
affected versions
gitlab < 11.1.7; gitlab >= 11.2.0 < 11.2.4; gitlab 11.3.0
also scored by
7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

check it yourself about.gitlab.com about.gitlab.com receipt

Movement the material steps

16 Apr 20230.00043
17 Mar 20250.00087 · scoring model v2025.03.14
15 Jun 20260.00621 · scoring model v2026.06.15
Show all 19 observations
16 Apr 20230.00043
26 Apr 20230.00121
15 Mar 20240.00172
21 Apr 20240.00190
17 May 20240.00205
25 Sep 20240.00158
5 Nov 20240.00164
17 Mar 20250.00087
29 Mar 20250.00151
30 Mar 20250.00087
18 Nov 20250.00075
21 Nov 20250.00087
8 Jan 20260.00109
9 Feb 20260.00116
17 Apr 20260.0016
18 Apr 20260.002
19 May 20260.00199
20 May 20260.0016
15 Jun 20260.00621

19 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.00621Published2023-04-15Index as of2026-06-15

The record had been public for 3 years, 2 months when this index was last written.

Published 2023-04-15 receipt · Index as of 2026-06-15 derived

Siblings and hubs

Records related to this one

Fixed with these, by one advisory

Listed because one advisory covers them, not because they are the same defect. Each record's own state is on its own page.

Grouping: held values

Browse the index from here

These are index-wide views, not findings about CVE-2018-17455.

What usually comes next

Everything above needs no account. What is below is work: assembling it, scoping it to your estate, watching it, and handing it to someone else.

Everything on this page is free. Public data. Withholding it protects nothing.