VulnSocial

CVE-2026-84668Disclosure

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Jenkins SAML Plugin 4.618.v441a_27fa_46d2 and earlier allows overwriting the SAML identity provider metadata file through Stapler data binding, allowing attackers to replace it with attacker-controlled content and authenticate as any user.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-284

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-03: 1Technical Details · 2026-09-03: 109-03
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • Cyber Threat Observatory | Alan Turing Institute@TuringCyberObs
    Disclosure

    CVE-2026-84668 Jenkins SAML Plugin Improper access control could let authenticated users overwrite IdP metadata and take over Jenkins SAML authentication flows Full analysis: https://github.com/alan-turing-institute/cyber-threat-observatory/blob/main/reports/2026-09-02/TIER_2_CVE-2026-84668.md #CyberSecurity #IdentitySecurity #VulnerabilityManagement

    Post summary

    The post announces CVE-2026-84668, detailing that improper access control in the Jenkins SAML Plugin allows authenticated users to overwrite IdP metadata and hijack authentication flows, without evidence of exploitation or patch advice.

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    61 followersView on X

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