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Fencer Intel
medium 5.8

CVE-2025-49466 json

aerc before 93bec0d allows directory traversal in commands/msgview/open.go because of direct path concatenation of the name of an attachmen…

published last yr. modified 4mo ago also EUVD-2025-16956

cvss
5.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

aerc before 93bec0d allows directory traversal in commands/msgview/open.go because of direct path concatenation of the name of an attachment part,

Patch / fix

  • aerc Debian 14, Debian 13 0.20.0-2

debian advisories DEBIAN-CVE-2025-49466

  • aerc Alpine 3.24, Alpine 3.23 1.21.0-r0

alpine advisories ALPINE-CVE-2025-49466

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2025-49466 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-49466 updated cvss 5.8

aerc: Aerc Attachment Path Traversal Vulnerability

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • git.sr.ht https://git.sr.ht/~rjarry/aerc/commit/93bec0de8ed5ab3d6b1f01026fe2ef20fa154329 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Affected products

  • rjarry aerc

Classification

Weakness
  • CWE-23 Relative Path Traversal

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.