CVE-2026-55403Patch

LOWCVSS 3.7 · LOW

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

datamodel-code-generator generates Python data models from schema definitions. Prior to 0.63.0, src/datamodel_code_generator/http.py get_body reuses Authorization, Cookie, and Proxy-Authorization headers when following cross-origin redirects while fetching remote schemas, allowing credentials scoped to one schema host to be leaked to another redirect target. This issue is fixed in version 0.63.0.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-200CWE-601

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

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 2 signals
  • Technical details provided in 2 signals
  • General: 1 classified signal
  • Peaked at 2 mentions on most recent observed day (2026-07-29)
  • 3 total mentions across 2 days

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-06-23: 1Mentions · 2026-07-29: 2Patch / Workaround · 2026-07-29: 2Technical Details · 2026-07-29: 206-2307-29
Signal classification2 categories
Patch
266.7%
General
133.3%
Referenced assets2 URLs
By indicator
Classification over time
DateTotalLabels
2026-06-231
General1
2026-07-292
Patch2
Full discourse3 posts
  • Hamza@TheGr1ffyn
    General

    CVE-2026-54621 CVE-2026-54653 CVE-2026-54654 CVE-2026-54655 CVE-2026-54656 CVE-2026-54690 CVE-2026-54691 CVE-2026-55415 CVE-2026-55389 CVE-2026-55390 CVE-2026-55391 CVE-2026-55403

    Post summary

    Provided text contains only a list of CVE numbers with no additional context or details.

    1000061
    132 followersView on X
  • Infoflowcloud@infoflowcloud
    Patch

    🚨*CVE* CVE-2026-55403 datamodel-code-generator generates Python data models from schema definitions. Prior to 0.63.0, src/datamodel_code_generator/http.py get_body reuses Authorization, Co… https://www.cve.org/CVERecord?id=CVE-2026-55403 ----- Traducción: CVE-2026-55403 dat… http://infoflow.cloud`

    Post summary

    The post announces CVE-2026-55403 in datamodel‑code‑generator, describing how older versions mishandle HTTP Authorization headers, and indicates that upgrading to 0.63.0 fixes the flaw.

    0000021
    96 followersView on X
  • CVE@CVEnew
    Patch

    CVE-2026-55403 datamodel-code-generator generates Python data models from schema definitions. Prior to 0.63.0, src/datamodel_code_generator/http.py get_body reuses Authorization, Co… https://www.cve.org/CVERecord?id=CVE-2026-55403

    Post summary

    The CVE-2026-55403 vulnerability involves the datamodel-code-generator reusing an Authorization header before version 0.63.0; a patch is available, but there is no evidence of exploitation or PoC.

    000001.0K
    57.9K followersView on X

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