High severity7.4NVD Advisory· Published Jul 24, 2026· Updated Aug 17, 2026
CVE-2026-66141
CVE-2026-66141
Description
Exim before 4.99.5 allows .forward privilege escalation because force_command for a pipe transport is mishandled.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
22- osv-coords20 versionspkg:apk/chainguard/eximpkg:apk/chainguard/exim-pgsqlpkg:apk/wolfi/exim-pgsqlpkg:apk/wolfi/exim-scriptspkg:apk/chainguard/exim-cdbpkg:apk/chainguard/exim-dbmdbpkg:apk/chainguard/exim-dnsdbpkg:apk/chainguard/exim-scriptspkg:apk/wolfi/exim-utilspkg:apk/wolfi/exim-mysqlpkg:apk/chainguard/exim-sqlitepkg:apk/chainguard/exim-utilspkg:apk/wolfi/eximpkg:apk/wolfi/exim-cdbpkg:apk/wolfi/exim-dbmdbpkg:apk/wolfi/exim-docpkg:apk/wolfi/exim-sqlitepkg:apk/chainguard/exim-mysqlpkg:apk/wolfi/exim-dnsdbpkg:apk/chainguard/exim-doc
< 4.99.5-r0+ 19 more
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
- (no CPE)range: < 4.99.5-r0
Patches
Vulnerability mechanics
References
1- openwall.com/lists/oss-security/2026/07/22/9nvdMailing ListThird Party Advisory
News mentions
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