
Catalogo CVE
CVE-2026-77756
Inconsistent Interpretation of HTTP Requests ('HTTP…
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Apache Tomcat caused by processing the transfer-encoding header for an HTTP/1.0 request may allow an attacker to cause one request from another user to fail when Tomcat is located behind a reverse proxy. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.47 through 9.0.121. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.67 through 8.5.100. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.
- Gravità
- Medium · CVSS 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.53% · Oct 27, 2026
Projects and upstream resources
Reported versions and fixes
Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.
Version impact has not been established. The original provider fields are retained below.
Provider details and historical evidence
Original provider fields
{
"package_releases": [
{
"name": "tomcat9",
"status": "fixed",
"release": "sid",
"version": "9.0.122-1"
},
{
"name": "tomcat9",
"status": "fixed",
"release": "forky",
"version": "9.0.122-1"
},
{
"name": "tomcat9",
"status": "fixed",
"release": "trixie",
"version": "9.0.95-1"
},
{
"name": "tomcat9",
"status": "fixed",
"release": "bookworm",
"version": "9.0.70-2"
},
{
"name": "tomcat10",
"status": "fixed",
"release": "sid",
"version": "10.1.60-1"
},
{
"name": "tomcat10",
"status": "fixed",
"release": "forky",
"version": "10.1.60-1"
},
{
"name": "tomcat10",
"status": "vulnerable",
"release": "trixie",
"version": "10.1.55-1~deb13u1"
},
{
"name": "tomcat10",
"status": "vulnerable",
"release": "trixie-security",
"version": "10.1.55-1~deb13u1"
},
{
"name": "tomcat10",
"status": "vulnerable",
"release": "bookworm",
"version": "10.1.55-1~deb12u1"
},
{
"name": "tomcat10",
"status": "vulnerable",
"release": "bookworm-security",
"version": "10.1.55-1~deb12u1"
}
],
"fixed_versions": [
{
"bug": null,
"name": "tomcat9",
"type": "source",
"origin": null,
"release": "sid",
"urgency": "not yet assigned",
"fixed_version": "9.0.70-2"
},
{
"bug": null,
"name": "tomcat9",
"type": "source",
"origin": null,
"release": "forky",
"urgency": "not yet assigned",
"fixed_version": "9.0.70-2"
},
{
"bug": null,
"name": "tomcat9",
"type": "source",
"origin": null,
"release": "trixie",
"urgency": "not yet assigned",
"fixed_version": "9.0.70-2"
},
{
"bug": null,
"name": "tomcat9",
"type": "source",
"origin": null,
"release": "bookworm",
"urgency": "not yet assigned",
"fixed_version": "9.0.70-2"
},
{
"bug": null,
"name": "tomcat10",
"type": "source",
"origin": null,
"release": "sid",
"urgency": "not yet assigned",
"fixed_version": "10.1.60-1"
},
{
"bug": null,
"name": "tomcat10",
"type": "source",
"origin": null,
"release": "forky",
"urgency": "not yet assigned",
"fixed_version": "10.1.60-1"
},
{
"bug": null,
"name": "tomcat10",
"type": "source",
"origin": null,
"release": "trixie",
"urgency": "not yet assigned",
"fixed_version": ""
},
{
"bug": null,
"name": "tomcat10",
"type": "source",
"origin": null,
"release": "bookworm",
"urgency": "not yet assigned",
"fixed_version": ""
}
],
"distribution_packages": []
}OpenFactory catalog packages
L’associazione dei pacchetti è in corso.
[Debian 12 (Bookworm)]
- [libtomcat10-embed-java]Sconosciuto
Pacchetto sorgente: [tomcat10]
Dettagli (6)
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
- [libtomcat10-java]Sconosciuto
Pacchetto sorgente: [tomcat10]
Dettagli (6)
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
- [libtomcat9-java]Sconosciuto
Pacchetto sorgente: [tomcat9]
Dettagli (2)
9.0.70-2· all · bookwormCorretta · Corretta:
9.0.70-2nvd · tomcat9 · debian · bookworm; nvd · tomcat9 · debian · 12
9.0.70-2· all · bookwormCorretta · Corretta:
9.0.70-2nvd · tomcat9 · debian · bookworm; nvd · tomcat9 · debian · 12
- [tomcat10]Sconosciuto
Dettagli (6)
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
- [tomcat10-admin]Sconosciuto
Pacchetto sorgente: [tomcat10]
Dettagli (6)
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
- [tomcat10-common]Sconosciuto
Pacchetto sorgente: [tomcat10]
Dettagli (6)
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
- [tomcat10-docs]Sconosciuto
Pacchetto sorgente: [tomcat10]
Dettagli (6)
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
- [tomcat10-examples]Sconosciuto
Pacchetto sorgente: [tomcat10]
Dettagli (6)
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
- [tomcat10-user]Sconosciuto
Pacchetto sorgente: [tomcat10]
Dettagli (6)
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookwormInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.40-1~bpo12+1· all · bookworm-backportsInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
10.1.55-1~deb12u1· all · bookworm-securityInteressata
nvd · tomcat10 · debian · bookworm; nvd · tomcat10 · debian · 12
[Debian 13 (Trixie)]
- [libtomcat10-embed-java]Sconosciuto
Pacchetto sorgente: [tomcat10]
Dettagli (4)
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
- [libtomcat10-java]Sconosciuto
Pacchetto sorgente: [tomcat10]
Dettagli (4)
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
- [libtomcat11-embed-java]Sconosciuto
Pacchetto sorgente: [tomcat11]
Dettagli (4)
11.0.22-1~deb13u1· all · trixieInteressata
nvd · tomcat11 · debian · 13
11.0.22-1~deb13u1· all · trixieInteressata
nvd · tomcat11 · debian · 13
11.0.22-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat11 · debian · 13
11.0.22-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat11 · debian · 13
- [libtomcat11-java]Sconosciuto
Pacchetto sorgente: [tomcat11]
Dettagli (4)
11.0.22-1~deb13u1· all · trixieInteressata
nvd · tomcat11 · debian · 13
11.0.22-1~deb13u1· all · trixieInteressata
nvd · tomcat11 · debian · 13
11.0.22-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat11 · debian · 13
11.0.22-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat11 · debian · 13
- [libtomcat9-java]Sconosciuto
Pacchetto sorgente: [tomcat9]
Dettagli (2)
9.0.95-1· all · trixieCorretta · Corretta:
9.0.70-2nvd · tomcat9 · debian · 13
9.0.95-1· all · trixieCorretta · Corretta:
9.0.70-2nvd · tomcat9 · debian · 13
- [tomcat10]Sconosciuto
Dettagli (4)
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
- [tomcat10-admin]Sconosciuto
Pacchetto sorgente: [tomcat10]
Dettagli (4)
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
- [tomcat10-common]Sconosciuto
Pacchetto sorgente: [tomcat10]
Dettagli (4)
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
- [tomcat10-docs]Sconosciuto
Pacchetto sorgente: [tomcat10]
Dettagli (4)
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
- [tomcat10-examples]Sconosciuto
Pacchetto sorgente: [tomcat10]
Dettagli (4)
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
- [tomcat10-user]Sconosciuto
Pacchetto sorgente: [tomcat10]
Dettagli (4)
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixieInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
10.1.55-1~deb13u1· all · trixie-securityInteressata
nvd · tomcat10 · debian · 13
Osservato:
Riferimenti
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11906-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-77756]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-77756]
- [https://security-tracker.debian.org/tracker/CVE-2026-77756]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-77756.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3527.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]