CVE-2026-13575— HTTP::Session versions before 0.54 for Perl allow memcached command injection via unfiltered session ids in HTTP::Session::Store::CHI

Quick assessment

Affected

CVE-2026-13575

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Perl 的 HTTP::Session 模块在 0.54 版本之前存在漏洞：攻击者可通过 HTTP::Session::Store::CHI 中未过滤的会话 ID（session id）实施 memcached 命令注入。客户端 Cookie 中的会话 ID 会原样传递至 CHI 缓存，未经任何过滤。虽然同属 HTTP::Session 的 HTTP::Session::Store::Memcached 组件会拒绝包含控制字符的会话 ID，但 CHI 存储模块并未实施此类检查，且 CHI 也未对其 memcac

AI Predicted 8.1 Difficulty: Easy EPSS 0.93% · P61 Updated Nov 02, 2026

Possible ATT&CK Techniques 2 AI

T1055 · Process Injection T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

Vendor	Product	Version Range	Status
None	None	`< 0.54`	affected

Vulnerability Information

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Vulnerability Title

HTTP::Session versions before 0.54 for Perl allow memcached command injection via unfiltered session ids in HTTP::Session::Store::CHI

Source: CVE Program / CVE List V5

Vulnerability Description

HTTP::Session versions before 0.54 for Perl allow memcached command injection via unfiltered session ids in HTTP::Session::Store::CHI. The session id from the client's cookie reaches the CHI cache unchanged. The sibling HTTP::Session::Store::Memcached rejects ids that contain control characters, but the CHI store has no such check, and CHI does not escape keys for its memcached drivers. With a memcached driver, a CR and LF in the session id end the cache command early, and the server reads the bytes after them as further commands.

Source: CVE Program / CVE List V5

CVSS Information

N/A

Source: CVE Program / CVE List V5

Vulnerability Type

对CRLF序列的转义处理不恰当(CRLF注入)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
-	-	0 ~ 0.54	-

II. Public POCs for CVE-2026-13575

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-13575

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Other References for CVE-2026-13575 (1)

🔗 Changes - metacpan.org Read full article release-notes

Other References for CVE-2026-13575 (2)

https://www.cve.org/CVERecord?id=CVE-2026-13575

IV. Related Vulnerabilities

Same weakness: CWE-93