VulnSocial

CVE-2026-12118General(ibm / webmethods_integration)

LOWCVSS 9.8 · CRITICAL

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Patch ibm webmethods_integration systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

IBM webMethods Integration (on prem) 10.15, 10.11 could allow an unauthenticated remote attacker to execute arbitrary code on the system due to the deserialization of untrusted data.

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0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-502

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • webmethods_integration

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • General: 2 classified signals
  • Disclosure: 1 classified signal
  • Peaked at 2 mentions on most recent observed day (2026-08-25)
  • 3 total mentions across 2 days

Affected systems

Vendors
ibm
Products
webmethods_integration

2 versions affected across 1 product

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-07-21: 1Mentions · 2026-08-25: 2Patch / Workaround · 2026-08-25: 1Technical Details · 2026-08-25: 107-2108-25
Signal classification2 categories
General
266.7%
Disclosure
133.3%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-07-211
General1
2026-08-252
Disclosure1General1
Full discourse3 posts
  • Black Lantern Security (BLSOPS)@BlackLanternLLC
    General

    IBM webMethods Integration Server CVE-2026-12118. Developed, found, and reported by research from BLSOPS. #CVE #vulnerability #cybersecurity #IBM https://open.substack.com/pub/blacklanternsecurity/p/cve-2026-12118-ibm-webmethods-integration?r=rbmdk&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true

    Post summary

    The post announces the existence of CVE-2026-12118 for IBM webMethods Integration Server without providing additional technical, exploit, or mitigation details.

    04071422
    711 followersView on X
  • takenaka hiroya@Joe_Biden_ja
    General

    脆弱性対応は影響バージョンを調べるところから始まります。ですが修正すべき製品コードが存在しない種類の脆弱性があります。パッチが出ない脆弱性の切り分け方と、書いてはいけない完了条件を実例で整理しました。 https://blog.hashito.biz/2026/08/25/ibm-webmethods-cve-2026-12118-dev-only-package-in-production/

    Post summary

    The article describes how to address vulnerabilities that lack fixable product code, referencing CVE‐2026‑12118, but provides no PoC, exploit, or patch information.

    0000044
    562 followersView on X
  • takenaka hiroya@Joe_Biden_ja
    Disclosure

    IBM webMethods の CVE-2026-12118 は CVSS 9.8 の未認証RCE。ですがIBMは「製品パッチもソフトウェア更新も不要」と書いています。開発用テストパッケージを本番から削除するのが唯一の対処で、バージョンでは該当有無を判定できません。 https://cve.autoarticles.net/cve/CVE-2026-12118

    Post summary

    IBM webMethods CVE-2026-12118 is an unauthenticated RCE with CVSS 9.8; IBM reports no patch or update is necessary, recommending only the removal of development test packages from production as mitigation.

    0000052
    562 followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Appibmwebmethods_integration10.11--
Appibmwebmethods_integration10.15--

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