CVE-2026-11956 (GCVE-0-2026-11956)

Vulnerability from cvelistv5 – Published: 2026-06-11 11:30 – Updated: 2026-06-11 12:52
VLAI
Title
TwiN gatus OIDC Session Cookie oidc.go setSessionCookie missing secure attribute
Summary
A vulnerability was determined in TwiN gatus 5.36.0. Impacted is the function setSessionCookie of the file security/oidc.go of the component OIDC Session Cookie Handler. Executing a manipulation can lead to sensitive cookie without secure attribute. The attack can be launched remotely. This attack is characterized by high complexity. The exploitability is considered difficult. The reported GitHub issue was closed with the label "not planned".
Severity
6.3 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:R
3.7 (Low)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-614 - Sensitive Cookie Without Secure Attribute
  • CWE-1004 - Cookie Without 'HttpOnly' Flag
Assigner
References
URL Tags
https://vuldb.com/vuln/370343 vdb-entrytechnical-description
https://vuldb.com/vuln/370343/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-11956 third-party-advisory
https://vuldb.com/submit/836328 third-party-advisory
https://github.com/TwiN/gatus/issues/1689 issue-tracking
https://github.com/TwiN/gatus/ product
Impacted products
Vendor Product Version
TwiN gatus Affected: 5.36.0
    cpe:2.3:a:twin:gatus:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
geochen (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.