CVE-2018-1086

MEDIUMNVD 4.37.5▲
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 4.3; sources differ by 3.2.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 2%CVSS: 4.3Exploit: NoneExposed: 0

A fix is available — apply it.

pcs before versions 0.9.164 and 0.10 is vulnerable to a debug parameter removal bypass. REST interface of the pcsd service did not properly remove the pcs debug argument from the /run_pcs query, possibly disclosing sensitive information. A remote attacker with a valid token could use this flaw to elevate their privilege.

CVSS v3
4.3
EG Score
7.5(medium)
EPSS
74.1%
KEV
Not listed

Published

April 12, 2018

Last Modified

November 21, 2024

References (8)

Vendor Advisories for CVE-2018-1086(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntupcs (0.9.149-1ubuntu1.1+esm1) @ xenial2026-05-28ubuntu
redhatpcs-0:0.9.155-3.el62018-06-19redhat
redhatpcs-0:0.9.162-5.el7_5.12018-04-10redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(2)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 11× in last 7d / 48× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 101 total refreshes for this CVE.

  1. 2026-07-22 22:12 UTCEG score recompute
  2. 2026-07-22 14:05 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
  4. 2026-07-21 15:17 UTCOSV refresh
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  1. 2026-07-06 02:20 UTCEPSS rescore
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  3. 2026-07-04 10:26 UTCOSV refresh
  4. 2026-07-04 06:28 UTCEPSS rescore
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  37. 2026-06-15 22:09 UTCOSV refresh
  38. 2026-06-15 17:45 UTCEPSS rescore
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  68. 2026-05-28 09:19 UTCEG score recompute
  69. 2026-05-28 09:19 UTCVendor advisory
  70. 2026-05-28 09:18 UTCGHSA enrichment
  71. 2026-05-27 13:38 UTCEPSS rescore
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  75. 2026-05-26 07:17 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2018-1086?
CVE-2018-1086 is a medium vulnerability published on April 12, 2018. pcs before versions 0.9.164 and 0.10 is vulnerable to a debug parameter removal bypass. REST interface of the pcsd service did not properly remove the pcs debug argument from the /run_pcs query, possibly disclosing sensitive information. A remote attacker with a valid token could use this flaw to…
When was CVE-2018-1086 disclosed?
CVE-2018-1086 was first published in the National Vulnerability Database on April 12, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-1086 actively exploited?
CVE-2018-1086 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-1086?
CVE-2018-1086 has a CVSS v3 base score of 4.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.5.
How do I remediate CVE-2018-1086?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-1086, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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