PT-2026-21427 · Zaher1307 · Tiny Web Server

Ypuluzm · Publicado 2026-02-22 · Atualizado 2026-02-27 · CVE-2026-2940

Positive Technologies (AI Summary)

CVSS v2.0

7.5

Alta

Vetor base

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions Zaher1307 tiny web server versions prior to 8d77b1044a0ca3a5297d8726ac8aa2cf944d481b

Description A flaw exists in the URL Handler component of Zaher1307 tiny web server. This issue allows for an out-of-bounds write, potentially enabling remote attacks. The vulnerable code resides within the tiny web server/tiny.c file, specifically in the tiny web server/tiny.c function. The vulnerability has been publicly disclosed.

Recommendations Update Zaher1307 tiny web server to a version prior to 8d77b1044a0ca3a5297d8726ac8aa2cf944d481b.

Exploit

Correção

Memory Corruption

Buffer Overflow

Enumeração de Fraquezas

CWE-787

CWE-119

Identificadores relacionados

CVE-2026-2940

Produtos afetados

Tiny Web Server

Referências · 12

• 🔥 https://github.com/Zaher1307/tiny_web_server/issues/1#issue-3924357507 · Exploit
• https://github.com/Zaher1307/tiny_web_server/issues/1 · Nota
• https://twitter.com/cracbot/status/2027338011005030491 · Publicação no Twitter
• https://t.me/CVEtracker/45429 · Publicação no Telegram
• https://twitter.com/CVEnew/status/2025523990991700248 · Publicação no Twitter
• https://nvd.nist.gov/vuln/detail/CVE-2026-2940 · Nota de Segurança
• https://vuldb.com/?ctiid.347312 · Nota
• https://t.me/cveNotify/152772 · Publicação no Telegram
• https://vuldb.com/?id.347312 · Nota
• https://vuldb.com/?submit.756036 · Nota
• https://twitter.com/VulmonFeeds/status/2025518690985214288 · Publicação no Twitter
• https://github.com/Zaher1307/tiny_web_server · Nota