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TI-2026-79926 Aliases CVE-2026-50787GHSA-x2cv-c5p2-8w76

Uncontrolled resource consumption in e-SIC Livre CAPTCHA generator

Priority LOW 39CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-400.

Summary

e-SIC Livre (esiclivre) v0.2.2 and earlier is affected. Its CAPTCHA image generator in restrito/inc/captcha.php uses user-supplied parameters without validation (CWE-400). A remote attacker without privileges or user interaction can exhaust server memory and CPU, causing a denial of service.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

e-SIC Livre (esiclivre) v0.2.2 and earlier contains an uncontrolled resource consumption vulnerability in restrito/inc/captcha.php. The application uses user-supplied parameters (l, a, tf, ql) without validation to generate CAPTCHA images, allowing remote attackers to cause denial of service via excessive memory and CPU consumption.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0049 42nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for e-SIC Livre (esiclivre).

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-23 Threatist record created from CVE-2026-50787
  2. 2026-10-23 Alias added: GHSA-x2cv-c5p2-8w76
  3. 2026-10-26 CVSS score added · CISA ADP
  4. 2026-10-26 Weakness changed · CISA ADP
  5. 2026-10-26 CISA SSVC decision points changed

References

Other 2

Sources

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