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01 Record

CVE-2026-106512

MISP sachertortephp - CakeResponse::download() HTTP Response Splitting via Unsanitized Filename Enables Stored XSS

HighPUBLISHEDCNA: CIRCL
CNA base score8.4 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:H/SI:L/SA:N
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02 Description

MISP sachertortephp - CakeResponse::download() HTTP Response Splitting via Unsanitized Filename Enables Stored XSS

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.32% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 25.2% of scored records. A rank, not a probability.
NVD base score
8.4 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD analysis status
Deferred. NVD last modified this record on 2026-10-07.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-06 18:48Z22 DAYS AGO
Last updated
2026-10-07 16:31Z21 DAYS AGO
Reserved
2026-10-06
Assigning CNA
CIRCL
Record state
PUBLISHED
Severity
High (CVSS 8.4)
CNA CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:H/SI:L/SA:N
Weaknesses
  • CWE-20Improper Input ValidationClass
  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
  • CWE-113Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')Variant
Data version
5.2
Document digest
928cfd8c9582e9ca559659a3b12646a49fd7696ca344ebbff6e2ea77866532f8

05 Affected products

VendorProductVersionsPlatforms
MISPsachertortephp0 to 1c2da20cbe3f1e2a91458fe9a017823b7273fdac—

06 References

07 Remediation

The vulnerability is remediated by sanitizing the filename before it is interpolated into the Content-Disposition header. C0 control characters (0x00-0x1F) and DEL (0x7F) are stripped to prevent HTTP response splitting and header suppression. Subsequently, double-quote and backslash characters are escaped using addcslashes per RFC 6266 quoted-string rules to prevent early termination of the quoted value and injection of additional header parameters. Together these two steps ensure the filename remains contained within the intended quoted-string token regardless of its content.