Security readout for executives and security teams
Plain-English summary
CVE-2026-24489 affects Gakido, a Python HTTP client. Versions before 0.1.1 could let attacker-controlled header names or values alter outbound HTTP requests by injecting extra headers. Business risk is mainly request integrity, not data theft or service outage based on the published CVSS.
Executive priority
Treat as a routine but timely dependency update. Prioritize systems that use Gakido with externally influenced header data, because the issue can affect request integrity and downstream trust decisions.
Technical view
Gakido before 0.1.1 failed to sanitize CRLF, LF, and null bytes in HTTP header names and values. This maps to CWE-113 and CWE-93. The 0.1.1 fix adds header sanitization that strips those characters before requests are built.
Likely exposure
Exposure is limited to applications using HappyHackingSpace/gakido versions earlier than 0.1.1, especially where header names or values can include user-controlled input.
Exploitation context
The CVE record marks network attack vector, low complexity, no privileges, and no user interaction. No source in the bundle reports active exploitation, and it is not listed as KEV in the provided data.
Researcher notes
The public fix is narrowly scoped: _sanitize_header() removes carriage return, line feed, and null byte characters from both header names and values. Available sources do not describe broader product impact or exploitation in the wild.
Mitigation direction
- Upgrade Gakido to version 0.1.1 or later.
- Review vendor advisory and release notes before deployment.
- Avoid passing untrusted input directly into HTTP header names or values.
- Add application-level validation for outbound request headers.
Validation and detection
- Check dependency manifests and lockfiles for gakido versions below 0.1.1.
- Confirm deployed environments use the patched package version.
- Review code paths that construct Gakido request headers from user input.
- Verify security tests cover rejection or sanitization of unsafe header characters.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-113: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-93: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-24489 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/HappyHackingSpace/gakido/security/advisories/GHSA-gcgx-chcp-hxp9CVE reference · x_refsource_CONFIRM
- https://github.com/HappyHackingSpace/gakido/commit/369c67e67c63da510c8a9ab021e54a92ccf1f788CVE reference · x_refsource_MISC
- https://github.com/HappyHackingSpace/gakido/releases/tag/v0.1.1-1bc6019CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Improper Neutralization of CRLF Sequences ('CRLF Injection')
Improper Neutralization of CRLF Sequences ('CRLF Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.