HTTP Response Splitting Affecting sccache package, versions <0.17.0~1-150600.10.14.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.34% (25th percentile)

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  • Snyk IDSNYK-SLES156-SCCACHE-19221649
  • published23 Aug 2026
  • disclosed21 Aug 2026

Introduced: 21 Aug 2026

CVE-2026-66746  (opens in a new tab)
CWE-113  (opens in a new tab)

How to fix?

Upgrade SLES:15.6 sccache to version 0.17.0~1-150600.10.14.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream sccache package and not the sccache package as distributed by SLES. See How to fix? for SLES:15.6 relevant fixed versions and status.

Rouille 0.4.0 through 3.6.2 contains an HTTP response splitting vulnerability that allows remote attackers to inject arbitrary response headers by embedding carriage return (0x0D) or line feed (0x0A) bytes into attacker-controlled input. Attackers can exploit percent-decoded query parameters reflected into response headers or inject bare LF characters into Cookie header values that are interpolated directly into Set-Cookie response headers, enabling cache poisoning, session fixation, and security header override attacks such as bypassing CSP or CORS policies.

CVSS Base Scores

version 3.1